WO2023074605A1 - 毛髪化粧料組成物 - Google Patents
毛髪化粧料組成物 Download PDFInfo
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- WO2023074605A1 WO2023074605A1 PCT/JP2022/039466 JP2022039466W WO2023074605A1 WO 2023074605 A1 WO2023074605 A1 WO 2023074605A1 JP 2022039466 W JP2022039466 W JP 2022039466W WO 2023074605 A1 WO2023074605 A1 WO 2023074605A1
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- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
- A61K8/8182—Copolymers of vinyl-pyrrolidones. Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/12—Preparations containing hair conditioners
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/54—Polymers characterized by specific structures/properties
- A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
- A61K2800/5426—Polymers characterized by specific structures/properties characterized by the charge cationic
Definitions
- the present invention relates to hair cosmetic compositions.
- Patent Document 1 uses a composition for treating keratin substances characterized by containing at least one anionic polymer and at least one cationic polymer in a solvent medium. It is stated that the anionic polymer can thus be fixed to the keratinous material, which can include, inter alia, hair, skin or nails. Moreover, it is assumed that the reason why the above effect is obtained is related to a complex formed by interaction between the anionic polymer and the cationic polymer.
- Patent Document 2 discloses a cationic polymer having a charge density within a predetermined range and a predetermined anionic structural unit containing 80% by mass or more and 100% by mass or less, and having a weight average molecular weight of 4. and an anionic polymer of 80,000 or more and 80,000 or less can improve the feel and appearance of damaged hair, and can maintain these effects even after repeated hair washing. It is
- the present invention relates to the following.
- Component (A) one or more polymers selected from the group consisting of cationic polymers and amphoteric polymers
- Component (C) polyglycerin and its derivatives, one or more nonionic compounds selected from the group consisting of sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and glycerin fatty acid esters with an HLB of 1 to 5
- Component (D) a cationic surfactant
- Component (E) higher alcohol, and the total content of the component (A) and the component (B) is less than 1.0% by mass.
- Patent Document 1 As described in Patent Document 1, it is known that a complex formed from a cationic polymer and an anionic polymer (hereinafter also referred to as "polyion complex”) is used as a composition for treating keratin substances, but hair cosmetics are known to be used. There is still room for improvement in improving performance when used as a composition.
- a hair conditioner which is a type of hair cosmetic composition, it should have a good feel when applied to the hair, and the hair after treatment should not spread even under high humidity conditions, and should have excellent moisture resistance. Desired.
- the conventional techniques according to Patent Documents 1 and 2 have not been particularly effective in suppressing hair spreading under high-humidity conditions.
- compositions containing polyion complexes take the form of oil-in-water or water-in-oil emulsion compositions, but these emulsion compositions have a problem of improving stability over time.
- cationic surfactants, higher alcohols and the like are sometimes blended in order to improve the feel of hair after treatment.
- stability tends to decrease when these components are added to the emulsified composition containing the polyion complex.
- An object of the present invention is to provide a hair cosmetic composition that has a good feel when applied to the hair, can suppress spreading of the hair under high humidity conditions, and has high stability.
- the present inventor contains one or more polymers selected from the group consisting of cationic polymers and amphoteric polymers, anionic polymers, predetermined nonionic compounds, cationic surfactants, and higher alcohols, We have found that a hair cosmetic composition having a total polymer content of less than a predetermined value can solve the above problems.
- a hair cosmetic composition that has a good feel when applied to the hair, can suppress spreading of the hair under high humidity conditions, and has high stability.
- the hair cosmetic composition of the present invention (hereinafter also simply referred to as "the composition of the present invention") is Component (A): one or more polymers selected from the group consisting of cationic polymers and amphoteric polymers, Component (B): an anionic polymer, Component (C): polyglycerin and its derivatives, one or more nonionic compounds selected from the group consisting of sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and glycerin fatty acid esters with an HLB of 1 to 5, Component (D): a cationic surfactant, and Component (E): higher alcohol, and the total content of the component (A) and the component (B) is less than 1.0% by mass.
- Component (A) one or more polymers selected from the group consisting of cationic polymers and amphoteric polymers
- Component (B) an anionic polymer
- Component (C) polyglycerin and its derivatives
- the hair cosmetic composition of the present invention has a good feel when applied to the hair, can suppress spreading of the hair under high humidity conditions, and has high stability.
- "containing the component X” also includes blending the component X.
- the hair cosmetic composition of the present invention contains a polyion complex formed from component (A) and component (B).
- a polyion complex is an aggregate formed by chemical and electrostatic interactions between component (A) and component (B).
- the polyion complex is sparingly soluble in water, and a hydrophobic film can be formed by applying a hair cosmetic composition containing the polyion complex to the hair. It is believed that the formation of this hydrophobic film improves the feeling of application to the hair and improves the moisture resistance. Further, by setting the total content of component (A) and component (B) in the hair cosmetic composition to less than 1.0% by mass, stability is maintained even in the form of an emulsion composition containing a polyion complex. expected to improve.
- component (C) contained in the hair cosmetic composition permeates into the hair, thereby exerting a hair-modifying effect. It is thought that it will be further improved.
- the stability of the emulsion in the composition may be lowered, and the dispersed state of the emulsion may be deteriorated due to a decrease in viscosity and the like.
- component (C) which is a specific nonionic compound, can maintain the stability of the composition without deteriorating the dispersed state of the emulsion.
- the hair cosmetic composition containing the component (D) and the component (E) further improves the feel when applied to the hair.
- the form of the hair cosmetic composition of the present invention is preferably an emulsified composition, and more preferably an oil-in-water emulsified composition from the viewpoints of stability of the composition and improvement of feel during use.
- product forms of hair cosmetic compositions include hair shampoos, hair rinses, hair conditioners, hair treatments (including leave-in types), hair styling agents, and the like.
- hair conditioners, hair treatments, and hair styling agents are preferred from the viewpoint of effectiveness of the effects of the present invention.
- Each component contained in the hair cosmetic composition will be described below.
- Component (A) one or more polymers selected from the group consisting of cationic polymers and amphoteric polymers
- Component (A) is at least one polymer selected from the group consisting of cationic polymers and amphoteric polymers, capable of forming a polyion complex through interaction with component (B).
- Component (A), a cationic polymer means a polymer that preferably has cationic groups and is substantially free of anionic and amphoteric groups. "Substantially free of anionic groups and amphoteric groups” means that the molar amount of anionic groups and amphoteric groups to cationic groups is preferably 0.1% or less.
- the amphoteric polymer as component (A) is preferably a polymer having a cationic group and an anionic group, a 1% aqueous solution of the polymer having a pH of less than 5.1 at 25°C, and a total charge of the polymer is a positively charged polymer.
- the pH can be measured with a pH meter.
- the cationic group is a cationic group or a group that can be ionized to become a cationic group, and specifically includes a primary amino group, a secondary amino group, a tertiary amino group, a A quaternary ammonium group is mentioned.
- the anionic group is an anionic group, or a group that can be ionized to become an anionic group, and specifically, one or more selected from the group consisting of acidic groups such as a carboxy group, a sulfonic acid group, and a phosphoric acid group. and preferably one or more selected from a carboxy group and a sulfonic acid group, more preferably a carboxy group. At least part of the anionic groups may be neutralized and in a salt state.
- the cationic charge density of component (A) is preferably 0.1 meq/g or more, more preferably 0.5 meq/g or more, still more preferably from the viewpoint of facilitating the formation of a polyion complex through interaction with component (B). is 1.0 meq/g or more, more preferably 2.0 meq/g or more, and from the viewpoint of composition stability, preferably 10 meq/g or less, more preferably 8.0 meq/g or less, and even more preferably 7.0 meq/g or less.
- the cationic charge density of component (A) is preferably 0.1 meq/g or more and 10 meq/g or less, more preferably 0.5 meq/g or more and 8.0 meq/g or less, and still more preferably 1.0 meq/g or more.
- the cationic charge density of component (A) can be calculated from (number of moles of cationic groups contained per 1 g of polymer) ⁇ 1000 (meq/g).
- two or more polymers may be used as the component (A), and the cationic charge density of the component (A) in this case is a weighted average obtained from the cationic charge density and blending amount of each polymer. It is obtained by calculating
- the weight-average molecular weight (Mw) of component (A) is selected from the viewpoints of ease of formation of a polyion complex, stability of the composition, improvement of feel when applied to hair, and suppression of hair spreading under high humidity conditions. , preferably 5,000 or more, more preferably 8,000 or more, and preferably 2,000,000 or less, more preferably 1,500,000 or less.
- the weight average molecular weight (Mw) of component (A) is preferably from 5,000 to 2,000,000, more preferably from 8,000 to 1,500,000.
- the weight average molecular weight of component (A) can be measured by gel permeation chromatography (GPC).
- polymers used as component (A) include cationic guar gum, cationic tara gum, cationic locust bean gum, cationic starch, cationic cellulose, cationic hydroxyalkylcellulose, cationic polyvinyl alcohol, polyethyleneimine, Quaternized dialkylaminoalkyl (meth)acrylate polymer, diallyl quaternized ammonium salt polymer, methacrylamidopropyltrimethylammonium salt polymer, methacryloylethyltrimethylammonium salt polymer, vinylimidazolium trichloride vinyl Pyrrolidone copolymer (polyquaternium-16), vinylpyrrolidone/alkylamino (meth)acrylate copolymer, vinylpyrrolidone/alkylamino (meth)acrylate/vinylcaprolactam copolymer, alkylacrylamide/(meth)acrylate/alkylaminoalkyl Acrylamide/polyethylene glyco
- the cationized hydroxyalkyl cellulose includes cationized hydroxyethyl cellulose, cationized hydroxypropyl cellulose, and the like.
- Examples of cationized hydroxyethyl cellulose include o-[2-hydroxy-3-(trimethylammonio)chloride propyl]hydroxyethyl cellulose (polyquaternium-10).
- Quaternized dialkylaminoalkyl (meth)acrylate polymers include vinylpyrrolidone/N,N-dimethylaminoethyl methacrylate diethyl sulfate copolymer (polyquaternium-11), N,N-dimethylaminoethyl methacryl acid diethyl sulfate/N,N-dimethylacrylamide/polyethylene glycol dimethacrylate copolymer (polyquaternium-52);
- diallyl quaternary ammonium salt polymers include dimethyldiallylammonium chloride polymer (polyquaternium-6), dimethyldiallylammonium chloride/acrylic acid copolymer (polyquaternium-22), diallyldimethylammonium chloride/acrylamide copolymer ( polyquaternium-7), acrylamide/acrylic acid/dimethyldiallylammonium chloride copolymer (polyquaternium-39), and the like.
- methacrylamidopropyltrimethylammonium salt polymer examples include methacrylamidopropyltrimethylammonium chloride polymer, vinylpyrrolidone/methacrylamidopropyltrimethylammonium chloride copolymer, acrylic acid/methyl acrylate/methacrylamidopropyltrimethylammonium chloride copolymer ( polyquaternium-47), acrylic acid/acrylamide/methacrylamidopropyltrimethylammonium chloride copolymer (polyquaternium-53), and the like.
- methacryloylethyltrimethylammonium salt polymer methacryloylethyltrimethylammonium chloride polymer (Polyquaternium-37), methacryloylethyldimethylbetaine/methacryloylethyltrimethylammonium chloride/methoxypolyethylene glycol methacrylate copolymer (Polyquaternium-49), methacryloylethyldimethylbetaine/methacryloylethyltrimethylammonium chloride/2-hydroxyethyl methacrylate copolymer (polyquaternium-48);
- Component (A) can be used singly or in combination of two or more.
- component (A) is at least a cation from the viewpoint of ease of formation of a polyion complex, stability of the composition, improvement of feel when applied to hair, and suppression of spread of hair under high humidity conditions. It is preferably a polymer having a functional group.
- Component (A) is more preferably a quaternary dialkylaminoalkyl (meth) from the viewpoints of stability of the composition, improvement of feel when applied to hair, and suppression of spread of hair under high humidity conditions.
- the preferred ranges of the cationic charge density and weight average molecular weight of the following polymers are the ease of forming a polyion complex, the stability of the composition, the improvement of the feel when applied to the hair, and high humidity conditions. From the viewpoint of suppressing the spread of hair underneath, the following is preferable.
- the cationic charge density of the dimethyldiallylammonium chloride polymer (polyquaternium-6) is more preferably 2.0 meq/g or more, still more preferably 2.5 meq/g or more, and even more preferably 6.5 meq/g. It is below.
- the weight average molecular weight is more preferably 10,000 or more and 200,000 or less.
- the cationic charge density of the dimethyldiallylammonium chloride/acrylic acid copolymer is more preferably 2.0 meq/g or more, still more preferably 3.0 meq/g or more, and even more preferably 4.0 meq. /g, more preferably 6.5 meq/g or less, and even more preferably 6.0 meq/g or less.
- the weight average molecular weight is more preferably 20,000 or more, still more preferably 50,000 or more, still more preferably 100,000 or more, still more preferably 200,000 or more, and even more preferably 300,000 or more. It is preferably 1,000,000 or less, more preferably 600,000 or less, and even more preferably 500,000 or less.
- the cationic charge density of the acrylamide/acrylic acid/dimethyldiallylammonium chloride copolymer is more preferably 2.0 meq/g or more, still more preferably 2.5 meq/g or more, and even more preferably. is 6.5 meq/g or less, more preferably 5.0 meq/g or less, and even more preferably 4.0 meq/g or less.
- the weight average molecular weight is more preferably 20,000 or more, still more preferably 50,000 or more, still more preferably 100,000 or more, still more preferably 1,000,000 or less, even more preferably 600,000 or less, still more preferably It is preferably 500,000 or less, more preferably 300,000 or less.
- the cationic charge density of acrylic acid/methyl acrylate/methacrylamidopropyltrimethylammonium chloride copolymer is more preferably 2.0 meq/g or more, and still more preferably 2.5 meq/g or more. , more preferably 6.5 meq/g or less, still more preferably 5.0 meq/g or less, and even more preferably 4.5 meq/g or less. Further, the weight average molecular weight is more preferably 200,000 or more, still more preferably 500,000 or more, and even more preferably 1,000,000 or more.
- the cationic charge density of the vinylimidazolium trichloride/vinylpyrrolidone copolymer is more preferably 2.0 meq/g or more, still more preferably 6.5 meq/g or less, and even more preferably 5.0 meq/g or less, more preferably 4.5 meq/g or less.
- the weight average molecular weight is more preferably 20,000 or more, still more preferably 50,000 or more, and still more preferably 150,000 or less.
- a commercially available polymer can also be used as the component (A).
- Lubrizol Advanced Materials, Inc. "MERQUAT 2001 Polymer” (acrylic acid/methyl acrylate/methacrylamidopropyltrimethylammonium chloride copolymer; polyquaternium-47, cationic charge density: 3.21 meq/g, Mw: 1.3 million), "MERQUAT 100" ( Dimethyldiallylammonium chloride polymer; Polyquaternium-6, Cationic charge density: 6.18 meq/g, Mw: 150,000), “MERQUAT 106” (Dimethyldiallylammonium chloride polymer; Polyquaternium-6, Cationic charge density: 6.18 meq / g, Mw: 15,000), "MERQUAT 3940 POLYMER” (acrylamide/acrylic acid/dimethyldiallylammonium chloride copolymer liquid; polyquaternium-39, cationic charge density: 2.97 meq/g, Mw: 150,000), " MERQUQUAT 2001
- Component (B) is a polymer capable of forming a polyion complex through interaction with component (A).
- anionic polymer means a polymer having anionic groups and substantially no cationic or amphoteric groups.
- substantially free of cationic groups and amphoteric groups means that the molar amount of cationic groups and amphoteric groups to anionic groups is preferably 0.1% or less.
- the anionic group possessed by the component (B) is preferably an acidic group such as a carboxy group, a sulfonic acid group, or a phosphoric acid group, from the viewpoint of facilitating the formation of a polyion complex by interaction with the component (A), and availability. from the viewpoint of, more preferably a carboxy group.
- component (B) at least part of the anionic groups may be neutralized to form a salt.
- the anion charge density of component (B) is preferably 0.1 meq/g or more, more preferably 0.5 meq/g or more, and still more preferably from the viewpoint of facilitating the formation of a polyion complex through interaction with component (A). is 1.0 meq/g or more, more preferably 2.0 meq/g or more, and from the viewpoint of composition stability, preferably 30 meq/g or less, more preferably 20 meq/g or less, and even more preferably 15 meq/g g or less.
- the anion charge density of component (B) is preferably 0.1 meq/g or more and 30 meq/g or less, more preferably 0.5 meq/g or more and 30 meq/g or less, still more preferably 1.0 meq/g or more and 20 meq/g. g or less, more preferably 2.0 meq/g or more and 15 meq/g or less.
- the anionic charge density of component (B) can be calculated from (number of moles of anionic groups contained per 1 g of polymer) ⁇ 1000 (meq/g). When at least part of the anionic groups in component (B) are neutralized salts, the number of moles of the anionic groups includes the number of moles of the anionic groups in the salt state.
- the hair cosmetic composition may use two or more polymers as the component (B), and the anionic charge density of the component (B) in this case is a weighted average obtained from the anionic charge density of each polymer and the blending amount. It is obtained by calculating
- the weight-average molecular weight (Mw) of the component (B) is such that the ease of formation of a polyion complex, the stability of the composition, the improved feel when applied to the hair when used as a hair cosmetic composition, and a high From the viewpoint of suppressing hair spreading under humidity conditions, it is preferably 3,000 or more, more preferably 5,000 or more, still more preferably 10,000 or more, and preferably 50,000 or less, more preferably 40. ,000 or less, more preferably 30,000 or less.
- the weight average molecular weight (Mw) of component (B) is preferably 3,000 or more and 50,000 or less, more preferably 5,000 or more and 40,000 or less, still more preferably 10,000 or more and 30,000 or less. be.
- the weight average molecular weight of component (B) can be measured by gel permeation chromatography (GPC).
- carboxy group-containing polymer used as component (B) examples include carboxy group-containing cellulose derivatives, carboxyvinyl polymers, poly(meth)acrylic acid, (meth)acrylic acid copolymers, and salts thereof.
- (meth)acrylic acid means acrylic acid or methacrylic acid.
- the carboxy group-containing cellulose derivative includes carboxymethyl cellulose, carboxyethyl cellulose, carboxymethyl ethyl cellulose, or salts thereof.
- (Meth)acrylic acid copolymers include (meth)acrylic acid/maleic acid copolymers, (meth)acrylic acid/itaconic acid copolymers, (meth)acrylic acid/fumaric acid copolymers, (meth) ) Acrylic acid/vinyl acetate copolymer, (meth)acrylic acid/2-hydroxyethyl methacrylate copolymer, (meth)acrylic acid/(meth)acrylic acid alkyl ester copolymer, acrylic acid/acrylic acid alkyl ester/ (N-alkyl)acrylamide copolymer, (meth)acrylic acid/(meth)acrylic acid alkyl ester copolymer, (acrylic acid/diacetone acrylamide) copolymer AMP, (acrylic acid/acrylic acid alkyl ester/diacetone acrylamide ) copolymer AMP, (meth)acrylic acid/acrylic acid alkyl ester/polyviny
- Examples of the (meth)acrylic acid/(meth)acrylic acid alkyl ester copolymer include (meth)acrylic acid such as (acrylic acid/octyl acrylate) copolymer and (acrylic acid/stearyl acrylate) copolymer.
- (meth)acrylic acid such as (acrylic acid/octyl acrylate) copolymer and (acrylic acid/stearyl acrylate) copolymer.
- a copolymer of an acid and a (meth)acrylic acid alkyl ester having an alkyl group having from 1 to 24 carbon atoms, preferably from 8 to 22 carbon atoms can be mentioned.
- component (B) can be used alone or in combination of two or more.
- component (B) is preferably used from the viewpoints of ease of forming a polyion complex, stability of the composition, improvement of feel when applied to hair, and suppression of spread of hair under high humidity conditions.
- poly(meth)acrylic acid, (meth)acrylic acid-based copolymers, or salts thereof more preferably polyacrylic acid, (meth)acrylic acid/alkyl (meth)acrylate
- ester copolymers or salts thereof more preferably one selected from the group consisting of polyacrylic acid, (acrylic acid/stearyl acrylate) copolymers, or salts thereof That's it.
- a commercially available polymer can also be used as the component (B).
- Lubrizol Advanced Materials, Inc. "Carbopol 980” and “Carbopol 981” (carboxyvinyl polymer) manufactured by The Dow Chemical Company, "Acusol 445G Polymer” (sodium polyacrylate) manufactured by The Dow Chemical Company, and "Softcare SA-” manufactured by Kao Corporation. 37W” ((acrylic acid/stearyl acrylate) copolymer), Mitsubishi Chemical Corporation “DIAHOLD” ((meth)acrylic acid/(meth)acrylic acid alkyl ester copolymer), BASF Japan Co., Ltd.
- the hair cosmetic composition contains polyglycerin and its derivatives and an HLB of 1 or more and 5 or less as component (C) from the viewpoint of improving the feeling when applied to the hair and suppressing the spread of the hair under high humidity conditions. , sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, and glycerin fatty acid ester. Penetration of the component (C) into the interior of the hair results in a modification effect on the hair, and it is believed that the feel of the hair when applied to the hair and the effect of suppressing the spread of the hair under high humidity conditions are further improved.
- polyglycerol and its derivatives are also referred to as “component (C1)", and sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and glycerin fatty acid esters having an HLB of 1 to 5 are also referred to as “component (C2)”. .
- polyglycerin is a condensate of glycerin and means a condensate of dimers or higher. Condensates of 30-mer or more are also known for polyglycerin, and there is no particular upper limit. More preferred are polyglycerols consisting of: In the polyglycerin, the total (p) of the triglycerin concentration and the tetraglycerin concentration is preferably 40% by mass or more, more preferably 50% by mass or more, and still more preferably, from the viewpoint of improving penetration into the hair. is 60% by mass or more and 100% by mass or less.
- triglycerin is a trimer in which 3 molecules of glycerol are linearly, cyclically or branched by dehydration condensation, and tetraglycerin is 4 molecules of glycerin linearly, by dehydration condensation, It is a tetramer linked in a ring or branched manner.
- the mass ratio of each component in the polyglycerin is obtained by subjecting the polyglycerol mixture to be measured to trimethylsilylation to obtain a polyglycerin derivative, then performing separation and quantification by the gas chromatography (GC) method, and by the area method. can ask.
- GC gas chromatography
- Polyglycerin derivatives include polyglycerin alkyl ethers, polyglycerin dialkyl ethers, polyglycerin fatty acid esters, and the like, and one or more of these can be used.
- the number of carbon atoms in the alkyl group in the polyglycerin alkyl ether and the polyglycerin dialkyl ether, and the number of carbon atoms in the fatty acid in the polyglycerin fatty acid ester is preferably 8 or more and 22 or less, more preferably 8 or less and 22 or less, from the viewpoint of improving the penetration into the inside of the hair.
- the number is 12 or more and 22 or less, more preferably 12 or more and 18 or less.
- Component (C2) Sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, glycerin fatty acid ester with HLB of 1 to 5> Sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and glycerin fatty acid esters used as component (C2) are types of nonionic surfactants.
- Component (C2) has an HLB of 1 or more and 5 or less, preferably 1.5 or more and 4.5 or less, more preferably 1.5 or more and 3.5 or less, from the viewpoint of improving penetration into the hair. .
- the HLB Hydrophilic Balance
- HLB 20 x [(molecular weight of hydrophilic group contained in surfactant)/(molecular weight of surfactant)]
- hydrophilic group examples include a hydroxy group and an ethyleneoxy group.
- the fatty acids in the sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, and glycerin fatty acid ester preferably have 8 to 22 carbon atoms, more preferably 12 to 22 carbon atoms, and It preferably has 12 or more and 18 or less carbon atoms.
- the average number of added moles of ethylene oxide in the polyoxyethylene sorbitan fatty acid ester is preferably 2 or more from the viewpoint of improving the permeability into the interior of the hair. is 150 or less, more preferably 80 or less, still more preferably 60 or less, even more preferably 40 or less, still more preferably 20 or less, still more preferably 10 or less, and even more preferably 5 or less.
- the average added mole number of EO is a number average value.
- sorbitan fatty acid esters include sorbitan laurate, sorbitan palmitate, sorbitan oleate, and sorbitan stearate. These sorbitan fatty acid esters may be monoesters, diesters, triesters or mixtures thereof, and more preferably monoesters are the main component. Among the above, preferably one or more selected from the group consisting of sorbitan oleate and sorbitan stearate, more preferably one or more, from the viewpoint of improving the feel of the hair when applied to the hair and suppressing the spread of the hair under high humidity conditions. It is sorbitan oleate.
- polyoxyethylene sorbitan fatty acid esters include polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan monostearate, and polyoxyethylene coconut oil fatty acid sorbitan.
- glycerin fatty acid esters include glyceryl laurate, glyceryl myristate, glyceryl palmitate, glyceryl oleate, glyceryl stearate, and glyceryl isostearate (isostearylglyceryl).
- glyceryl laurate glyceryl myristate
- glyceryl palmitate glyceryl oleate
- glyceryl stearate glyceryl isostearate
- glyceryl isostearate isostearylglyceryl
- Component (C) can be used alone or in combination of two or more.
- the component (C) is preferably polyglycerin or a sorbitan fatty acid ester having an HLB of 1 or more and 5 or less, from the viewpoint of improving the feeling when applied to the hair and suppressing the spread of the hair under high humidity conditions.
- glycerin fatty acid esters having an HLB of 1 to 5 more preferably polyglycerin, sorbitan oleate having an HLB of 1 to 5, and stearin having an HLB of 1 to 5
- stearin having an HLB of 1 to 5
- a commercially available nonionic compound can also be used as the component (C).
- Specific examples include “Polyglycerin-3” manufactured by INOVYN Deutschland GmbH, “Rheodol AO-10V” manufactured by Kao Corporation (sorbitan oleate, HLB: 4.3, “Rheodol MS-60” (stearic acid glyceryl, HLB: 3.5), “Penetol GE-IS (U)” (isostearylglyceryl, HLB: 2.0), and the like.
- the hair cosmetic composition further contains a cationic surfactant as component (D) from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment.
- Cationic surfactants include (i) alkyltrimethylammonium salts, (ii) alkoxyalkyltrimethylammonium salts, (iii) dialkyldimethylammonium salts, (iv) alkylamidoalkyltrimethylammonium salts, (v) alkyldimethylamines and salts thereof, (vi) alkoxyalkyldimethylamine and its salts, and (vii) alkylamidoalkyldimethylamine and its salts, and the like.
- Alkyltrimethylammonium salts include alkyltrimethylammonium salts having an alkyl group preferably having 12 to 22 carbon atoms, more preferably 16 to 20 carbon atoms, specifically cetyltrimethylammonium chloride. (cetrimonium chloride), stearyltrimethylammonium chloride (steartrimonium chloride), behenyltrimethylammonium chloride (behentrimonium chloride) and the like.
- Examples of alkoxyalkyltrimethylammonium salts include alkoxyalkyltrimethylammonium salts having an alkoxy group preferably having 12 to 22 carbon atoms, more preferably 16 to 20 carbon atoms.
- dialkyldimethylammonium salts examples include dialkyldimethylammonium salts having an alkyl group having preferably 12 to 22 carbon atoms, more preferably 16 to 20 carbon atoms, specifically distearyldimethylammonium. chloride and the like.
- alkylamidoalkyltrimethylammonium salts include alkylamidoalkyltrimethylammonium salts in which the number of alkyl carbon atoms in the alkylamide moiety is preferably 11 or more and 21 or less, more preferably 13 or more and 19 or less. includes palmitamidopropyltrimethylammonium chloride (palmitamidopropyltrimonium chloride) and the like.
- the (v) alkyl group in the alkyldimethylamine and its salt and the (vi) alkoxy group in the alkoxyalkyldimethylamine and its salt preferably have 12 to 22 carbon atoms, more preferably 16 to 20 carbon atoms.
- the number of alkyl carbon atoms in the alkylamide moiety in the alkylamidoalkyldimethylamine and its salt is preferably 11 or more and 21 or less, more preferably 15 or more and 19 or less.
- the amines (v) to (vii) may be preliminarily reacted with an acid and blended into the hair cosmetic composition as a salt, or may be directly blended into the hair cosmetic composition as an amine, and further added to the hair cosmetic composition. Salts may be formed in the composition by incorporating an acid into the composition. Therefore, the above amines and salts thereof are defined as cationic surfactants here. Moreover, the content or compounding amount thereof is converted by the mass of the above amine. Salts of the amines (v)-(vii) include salts with organic or inorganic acids.
- organic acids include monocarboxylic acids such as acetic acid and propionic acid; dicarboxylic acids such as malonic acid, succinic acid, glutaric acid, adipic acid, maleic acid, fumaric acid and phthalic acid; polycarboxylic acids such as polyglutamic acid; Hydroxycarboxylic acids such as glycolic acid, lactic acid, hydroxyacrylic acid, glyceric acid, malic acid, tartaric acid and citric acid; acidic amino acids such as glutamic acid and aspartic acid; Examples of inorganic acids include hydrochloric acid, sulfuric acid, phosphoric acid and the like.
- organic acids are preferred, and one or more selected from the group consisting of dicarboxylic acids, hydroxycarboxylic acids and acidic amino acids is more preferred. More preferably, the dicarboxylic acid is one or more selected from the group consisting of maleic acid and succinic acid. More preferably, the hydroxycarboxylic acid is one or more selected from the group consisting of glycolic acid, lactic acid and malic acid. Glutamic acid is more preferred as the acidic amino acid.
- Alkyldimethylamines and salts thereof include N,N-dimethylbehenylamine, N,N-dimethylstearylamine, and organic acid salts thereof, and N,N-dimethylbehenylamine lactate, N , N-dimethylstearylamine glycolate and the like are preferred.
- Alkoxyalkyldimethylamines and their salts include N,N-dimethyl-3-hexadecyloxypropylamine, N,N-dimethyl-3-octadecyloxypropylamine (stearyloxypropyldimethylamine), and their Examples include organic acid salts, and N,N-dimethyl-3-hexadecyloxypropylamine or its lactate salt, N,N-dimethyl-3-octadecyloxypropylamine (stearyloxypropyldimethylamine) or its lactate salt are preferred. .
- alkylamidoalkyldimethylamines and salts thereof include N-[3-(dimethylamino)propyl]docosanamide, N-[3-(dimethylamino)propyl]stearamide, and organic acid salts thereof;
- the lactate salt of N-[3-(dimethylamino)propyl]docosanamide, the glycolate salt of N-[3-(dimethylamino)propyl]stearamide are preferred.
- the component (D) is preferably (i) an alkyltrimethylammonium salt and (ii) an alkoxyalkyltrimethylammonium, from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment.
- alkylamidoalkyldimethyl One or more selected from the group consisting of amines and salts thereof, more preferably selected from the group consisting of (i) alkyltrimethylammonium salts, (ii) alkoxyalkyltrimethylammonium and (v) alkyldimethylamines and salts thereof more preferably behenyltrimethylammonium chloride, stearoxypropyltrimethylammonium chloride, stearoxyethyltrimethylammonium chloride, stearoxyhydroxypropyltrimethylammonium chloride, N,N-dimethyl-3-hexadecyloxypropylamine or its One or more selected from the group consisting of amines and salts thereof, more preferably selected from the group consisting of (i) alkyltrimethylammonium salts, (ii) alkoxyalkyltrimethylammonium and (v) alkyldimethylamines and salts thereof more preferably behenyltrimethylammonium
- Component (E) higher alcohol
- the hair cosmetic composition further contains a higher alcohol as component (E) from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment.
- higher alcohols include aliphatic monohydric alcohols having 12 or more carbon atoms, preferably 12 or more and 22 or less carbon atoms.
- the higher alcohol includes one or more selected from the group consisting of lauryl alcohol, cetyl alcohol, myristyl alcohol, oleyl alcohol, stearyl alcohol, isostearyl alcohol, 2-octyldodecanol, behenyl alcohol, and cetostearyl alcohol. .
- one or more selected from the group consisting of cetyl alcohol, myristyl alcohol, stearyl alcohol, and behenyl alcohol is preferable from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment.
- Optional components other than components (A) to (E) can also be added to the hair cosmetic composition.
- the hair cosmetic composition preferably further contains an organic acid and water.
- aromatic It preferably contains one or more modified silicones selected from the group consisting of alcohols, non-aromatic polyols, amino-modified silicones and aminopolyether-modified silicones, and one or more selected from the group consisting of oils. Containing is more preferable.
- organic acid contributes to stably forming a polyion complex in the hair cosmetic composition.
- examples of the organic acid include carboxylic acid compounds and sulfonic acid compounds other than the component (B), preferably compounds having a molecular weight of 500 or less, more preferably 200 or less.
- carboxylic acid compounds include aliphatic monocarboxylic acids having 4 or less carbon atoms such as acetic acid, propionic acid, and butanoic acid; aromatic monocarboxylic acids such as benzoic acid; malonic acid, succinic acid, glutaric acid, and adipine.
- acids aliphatic dicarboxylic acids such as maleic acid and fumaric acid; aromatic dicarboxylic acids such as phthalic acid and isophthalic acid; polycarboxylic acids such as polyglutamic acid; lactic acid, malic acid, glycolic acid, hydroxyacrylic acid, glyceric acid, tartaric acid , hydroxycarboxylic acids such as citric acid; acidic amino acids such as glutamic acid and aspartic acid; and the like, and one or more of these can be used.
- sulfonic acid compounds include aliphatic sulfonic acids such as methanesulfonic acid and ethanesulfonic acid; aromatic sulfonic acids such as p-toluenesulfonic acid and naphthalenesulfonic acid; The above can be used.
- the organic acid is preferably aliphatic dicarboxylic acid, hydroxycarboxylic acid, and one or more selected from the group consisting of aromatic sulfonic acids, more preferably one or more selected from the group consisting of succinic acid, lactic acid, malic acid, glycolic acid, p-toluenesulfonic acid, and naphthalenesulfonic acid , more preferably one or more selected from the group consisting of succinic acid and lactic acid, and still more preferably lactic acid.
- At least a part of the organic acid may be in the form of an organic acid salt at the time of blending.
- the salt of the organic acid is preferably an alkali metal salt or an alkali metal salt of the organic acid, more preferably an alkali metal salt, and sodium salt and potassium salt, from the viewpoint of use in hair cosmetic compositions and the like and from the viewpoint of easy availability.
- One or more selected from the group consisting of is more preferable, and sodium salt is still more preferable.
- the ratio of the organic acid salt in the total amount of the organic acid and the organic acid salt is the ease of formation of the polyion complex, the stability of the composition, the improvement of the feeling when applied to the hair, and the spread of the hair under high humidity conditions.
- the organic acid salt ratio (% by mass) as used herein means the mass % in terms of the organic acid.
- water Deionized water or distilled water is preferable as the water used in the hair cosmetic composition.
- tap water, underground water, etc. sterilized with hypochlorous acid or the like may be used as long as the stability of the composition is not impaired.
- the hair cosmetic composition further contains the component (F), It preferably contains an aromatic alcohol.
- the aromatic alcohol is preferably a monohydric alcohol having an aromatic ring.
- Aromatic alcohols used as component (F) include benzyl alcohol, phenoxyethanol, 2-benzyloxyethanol and the like, and these can be used alone or in combination of two or more. Among the above, benzyl alcohol is preferable from the viewpoint of promoting the penetration of the component (C) into the hair and further improving the feel of the hair when applied and the feel of the hair after treatment.
- Component (G) non-aromatic polyol
- the hair cosmetic composition promotes the penetration of the component (C) into the hair, and from the viewpoint of further improving the feel when applied to the hair and the feel of the hair after treatment, and from the viewpoint of improving moisturizing properties, Furthermore, it is preferable to contain a non-aromatic polyol as component (G).
- Non-aromatic polyols used as component (G) include low-molecular-weight diols and triols having 6 or less carbon atoms, such as 1,3-butylene glycol, ethylene glycol, propylene glycol and dipropylene glycol. These can use 1 type(s) or 2 or more types.
- Component (H) one or more modified silicones selected from the group consisting of amino-modified silicones and aminopolyether-modified silicones
- Component (H) is one or more modified silicones selected from the group consisting of amino-modified silicones (hereinafter also referred to as “component (H1)”) and aminopolyether-modified silicones (hereinafter also referred to as “component (H2)”). be.
- component (H1) amino-modified silicones
- component (H2) aminopolyether-modified silicones
- amino-modified silicone means silicone having an amino group and not having a polyether structure.
- component (H1) include amino-modified silicones represented by the following general formula (I). [In the formula, each R 21 independently represents a methyl group or a hydroxy group, and each R 22 independently represents an alkyl group having 1 to 30 carbon atoms, a hydroxy group, or R 23 .
- R 23 is -R 24 -Z 1 (R 24 is a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms, and Z 1 is a primary to tertiary amino group-containing group or an ammonium group-containing group; ) represents a monovalent group represented by a represents a number of 0 or more and 3000 or less, and b represents a number of 1 or more and 3000 or less. ]
- R 21 is preferably a methyl group and R 22 is preferably a methyl group or R 23 .
- R 23 is a monovalent group represented by —R 24 —Z 1
- R 24 is preferably a divalent hydrocarbon group having 1 to 20 carbon atoms, more preferably alkylene having 1 to 20 carbon atoms more preferably a linear or branched alkylene group having 1 to 6 carbon atoms, more preferably a methylene group, an ethylene group, a trimethylene group, a propylene group, a tetramethylene group, or a hexamethylene group, still more preferably a trimethylene group or a propylene group;
- Z 1 is a primary to tertiary amino group-containing group or an ammonium group-containing group, and is —N(R 25 ) 2 , —NR 25 (CH 2 ) c N(R 26 ) 2 , or —NR 25 (CH 2 );
- R 25 and R 26 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, preferably a hydrogen atom or a methyl group.
- R 27 represents an alkyl group having 1 to 3 carbon atoms.
- c represents a number of 1 or more and 6 or less, preferably 2 or more and 4 or less.
- R 23 is preferably -(CH 2 ) 3 -NH 2 , -(CH 2 ) 3 -N(CH 3 ) 2 , -(CH 2 ) 3 -NH-(CH 2 ) 2 -NH 2 or -(CH 2 ) 2 -NH-(CH 2 ) 2 -N(CH 3 ) 2 , more preferably -(CH 2 ) 3 -NH 2 or -(CH 2 ) 3 —NH—(CH 2 ) 2 —NH 2 .
- the amino-modified silicone represented by general formula (I) includes one or more selected from the group consisting of amodimethicone, aminopropyldimethicone, bis(aminopropyl)dimethicone, and bis(cetearyl)amodimethicone. More specifically, these are amino-modified silicones represented by any of the following general formulas (Ia) to (Id). [In the formula, a, b, c and R 24 are the same as defined above. ] Component (H1) can be used alone or in combination of two or more. From the viewpoint of further improving the effect of suppressing hair spreading under high humidity conditions, the amino-modified silicone (amodimethicone) represented by the general formula (Ia) is more preferable as the component (H1).
- the kinematic viscosity at 25° C. of component (H1) is preferably 20 mm 2 /s or more, more preferably 100 mm 2 /s or more, still more preferably 500 mm, from the viewpoint of further improving the effect of suppressing hair spreading under high humidity conditions. 2 /s or more, preferably 10,000 mm 2 /s or less, more preferably 5,000 mm 2 /s or less, still more preferably 2,000 mm 2 /s or less.
- the kinematic viscosity of the component (H1) is preferably 20 mm 2 /s or more and 10,000 mm 2 /s or less, more preferably 100 mm 2 /s or more and 5,000 mm 2 /s or less, still more preferably 500 mm 2 . /s or more and 2,000 mm 2 /s or less.
- the kinematic viscosity of the component (H1) is a value measured at 25° C. in accordance with JIS Z8803:2011, “Liquid Viscosity Measurement Method” or ASTM D 445-46T. It can be measured using a viscometer.
- amino-modified silicone can also be used as the component (H1).
- examples of amino-modified silicone (amodimethicone) represented by general formula (Ia) include "Silicone SF 8457 C” manufactured by Dow Toray Industries, Inc.
- aminopolyether-modified silicone means silicone having an amino group and a polyether structure.
- the polyether structure in the component (H2) is preferably a polyoxyalkylene group from the viewpoint of the effect of suppressing the spread of hair under high humidity conditions and from the viewpoint of availability. From the viewpoint of further improving the effect of suppressing hair spreading under high humidity conditions, the component (H2) has a silicon atom number of Si in the component (H2) and an average number of moles of alkylene oxide added to AO.
- Si/AO is preferably 0.05 or more, more preferably 0.1 or more, still more preferably 0.3 or more, still more preferably 0.5 or more, still more preferably 0.7 or more, and It is preferably 3.0 or less, more preferably 2.8 or less, even more preferably 2.6 or less, and even more preferably 2.4 or less.
- the Si/AO ratio of the component (H2) is preferably 0.05 or more and 3.0 or less, more preferably 0.1 or more and 2.8 or less, still more preferably 0.3 or more and 2.8 or less, and even more preferably is 0.5 or more and 2.6 or less, more preferably 0.7 or more and 2.4 or less.
- Si/AO can be calculated from the integrated value of H of a silicon-bonded hydrogen atom and a hydrocarbon group and the integrated value of H of an oxyalkylene group measured by 1 H-NMR measurement.
- Component (H2) has a nitrogen content of preferably 0.1% by mass or more, more preferably 0.2% by mass or more, still more preferably 0, from the viewpoint of further improving the effect of suppressing hair spreading under high humidity conditions. .5% by mass or more, more preferably 1.0% by mass or more, preferably 2.5% by mass or less, more preferably 2.0% by mass or less, even more preferably 1.8% by mass or less, and even more Preferably, it is 1.5% by mass or less.
- the nitrogen content of component (H2) is preferably 0.1% by mass or more and 2.5% by mass or less, more preferably 0.2% by mass or more and 2.0% by mass or less, and still more preferably 0.5% by mass.
- the nitrogen content of component (H2) is a value measured according to the potentiometric titration method specified in JIS K0113:2005.
- Component (H2) is preferably an aminopolyether-modified silicone represented by the following general formula (II).
- R 31 represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms.
- R 32 represents either R 31 or E; E is -R 33 -Z 2 (R 33 is a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms, Z 2 is a primary to tertiary amino group-containing group or an ammonium group-containing group .) represents a monovalent group.
- Y represents an alkylene group having 1 to 6 carbon atoms.
- d is a number of 2 or more
- e is a number of 1 or more
- f is a number of 2 or more and 100 or less
- g is a number of 1 or more
- m represents a number of 2 or more and 10 or less.
- the order of bonding between structural units in parentheses does not matter, and the form of bonding may be block or random.
- f C m H 2m O may be the same or different.
- a plurality of R 31 , R 32 , E and Y may be the same or different.
- the component (H2) is an aminopolyether-modified silicone represented by the general formula (II)
- the Si/AO is represented by (d+e+1)/f.
- R 31 is a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms, preferably a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a phenyl group, more preferably is a methyl group or an ethyl group, more preferably a methyl group.
- R 32 represents either R 31 or E; E represents a monovalent group represented by -R 33 -Z 2 (R 33 represents a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms).
- R 33 is preferably a divalent hydrocarbon group having 1 to 20 carbon atoms, more preferably an alkylene group having 1 to 20 carbon atoms, more preferably a linear or branched alkylene group having 1 to 6 carbon atoms. , more preferably methylene group, ethylene group, trimethylene group, propylene group, tetramethylene group or hexamethylene group, still more preferably trimethylene group or propylene group.
- Z 2 is a primary to tertiary amino group-containing group or an ammonium group-containing group, and is —N(R 34 ) 2 , —NR 34 (CH 2 ) hN (R 34 ) 2 , or —NR 34 (CH 2 ); It is preferably an amino group-containing group represented by hN (R 35 )CO--R 36 .
- R 34 and R 35 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, preferably a hydrogen atom or a methyl group.
- R 36 represents an alkyl group having 1 to 3 carbon atoms.
- h represents a number of 1 or more and 6 or less, preferably 2 or more and 4 or less.
- preferred E groups are -(CH 2 ) 3 -NH 2 , -(CH 2 ) 3 -N(CH 3 ) 2 , -(CH 2 ) 3 -NH-(CH 2 ) 2 -NH 2 or -(CH 2 ) 2 -NH-(CH 2 ) 2 -N(CH 3 ) 2 , more preferably -(CH 2 ) 3 -NH-(CH 2 ) 2 -NH 2 is.
- Y is an alkylene group having 1 to 6 carbon atoms, preferably an ethylene group, propylene group, trimethylene group, n-butylene group (tetramethylene group) or i-butylene group, n-butylene or an i-butylene group are more preferred.
- the i-butylene groups referred to herein include -CH(CH 3 )CH 2 CH 2 -, -CH 2 CH(CH 3 )CH 2 -, and -CH 2 CH 2 CH(CH 3 )-.
- d is a number of 2 or more
- e is a number of 1 or more
- f is a number of 2 or more and 100 or less
- g is a number of 1 or more.
- d is preferably a number of 2 or more and 1000 or less, more preferably a number of 2 or more and 100 or less.
- e is preferably a number of 1 or more and 50 or less
- f is a number of preferably 4 or more and 50 or less, more preferably a number of 10 or more and 18 or less
- g is preferably a number of 1 or more and 100 or less.
- m represents a number of 2 or more and 10 or less, preferably 2 or more and 6 or less, more preferably 2 or more and 4 or less.
- Component (H2) is more preferably an aminopolyether-modified silicone represented by the following general formula (IIa). [In formula (IIa), d to g are the same as above. ]
- the kinematic viscosity of component (H2) at 25°C is preferably 5,000 mm 2 /s or more, more preferably 20,000 mm 2 /s or more, from the viewpoint of further improving the effect of suppressing hair spreading under high humidity conditions. It is more preferably 40,000 mm 2 /s or more, more preferably 200,000 mm 2 /s or less, more preferably 150,000 mm 2 /s or less, still more preferably 100,000 mm 2 /s or less.
- component (H2) is preferably 5,000 mm 2 /s or more and 200,000 mm 2 /s or less, more preferably 20,000 mm 2 /s or more and 150,000 mm 2 /s or less, and further It is preferably 40,000 mm 2 /s or more and 100,000 mm 2 /s or less.
- the kinematic viscosity of component (H2) can be measured by the same method as for component (H1).
- a commercially available aminopolyether-modified silicone can also be used as the component (H2).
- Component (H) can be used alone or in combination of two or more.
- the component (H) is preferably the amino-modified silicone represented by the general formula (I) and the general formula (II) from the viewpoint of further improving the effect of suppressing the spread of hair under high humidity conditions.
- the component (H) is preferably the amino-modified silicone represented by the general formula (I) and the general formula (II) from the viewpoint of further improving the effect of suppressing the spread of hair under high humidity conditions.
- the component (H) is preferably the amino-modified silicone represented by the general formula (I) and the general formula (II) from the viewpoint of further improving the effect of suppressing the spread of hair under high humidity conditions.
- the group consisting of aminopolyether-modified silicones represented by the general formula (Ia) and the amino-modified silicones represented by the general formula (IIa) It is one or more selected from the group consisting of aminopolyether-modified silicones.
- Component (I) oil
- the hair cosmetic composition further contains an oil agent other than components (E) and (H) as component (I) from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment.
- Oil agents include (a) silicone oils, (b) ester oils, (c) ether oils, (d) hydrocarbon oils, (e) higher fatty acids, and (f) waxes. Or 2 or more types can be used.
- silicone oil one selected from the group consisting of dimethylpolysiloxane (dimethicone), dimethiconol (dimethylpolysiloxane having a terminal hydroxy group), methylphenylpolysiloxane, and modified silicones other than component (H).
- modified silicones other than component (H) include polyether-modified silicone, glyceryl-modified silicone, carboxy-modified silicone, fatty acid-modified silicone, alcohol-modified silicone, aliphatic alcohol-modified silicone, epoxy-modified silicone, fluorine-modified silicone, alkyl-modified silicone, and the like. are mentioned.
- silicone oils include dimethylpolysiloxane, dimethiconol, methylphenylpolysiloxane, and component (H), from the viewpoint of further improving the feel when applied to the hair and the feel of the hair after treatment.
- One or more selected from the group consisting of modified silicones other than dimethylpolysiloxane is preferable, one or more selected from the group consisting of dimethylpolysiloxane, dimethiconol, and polyether-modified silicone is more preferable, and dimethylpolysiloxane is even more preferable.
- Ester oils include synthetic ester oils, natural oils and fats, and Esters with monohydric alcohols are mentioned.
- Esters of monohydric carboxylic acids and monohydric alcohols include esters represented by the following general formula (1).
- R 1 -COO-R 2 (1)
- R 1 may be substituted with a hydroxyl group, and may be a linear or branched alkyl group or alkenyl group having 1 to 25 carbon atoms, or an aromatic-containing group having 6 to 24 carbon atoms. represents a hydrocarbon group, and R 2 represents a linear or branched alkyl or alkenyl group having 1 to 30 carbon atoms;
- R 1 is an alkyl or alkenyl group
- the number of carbon atoms is preferably 7 or more, and preferably 23 or less, more preferably 21 or less, even more preferably 19 or less, and even more preferably 17 or less.
- R 1 is an aromatic-containing hydrocarbon group
- the number of carbon atoms is preferably 6 or more and preferably 22 or less, more preferably 20 or less.
- the number of carbon atoms in R 2 is preferably 2 or more, and preferably 28 or less, more preferably 24 or less, still more preferably 20 or less. More preferably, in general formula (1), R 1 is a linear or branched alkyl group having 7 to 17 carbon atoms, and R 2 is a linear or branched alkyl group having 2 to 24 carbon atoms. is an ester.
- esters represented by formula (1) include cetyl isooctanoate, stearyl isooctanoate, isononyl isononanoate, isotridecyl isononanoate, hexyl laurate, isostearyl laurate, butyl myristate, isopropyl myristate, and myristine.
- Decyl acid isotridecyl myristate, isocetyl myristate, isostearyl myristate, 2-octyldodecyl myristate, isopropyl palmitate, 2-ethylhexyl palmitate, isostearyl palmitate, 2-hexyldecyl palmitate, 2-ethylhexyl stearate , 2-hexyldecyl stearate, isopropyl isostearate, 2-hexyldecyl isostearate, ethyl oleate, isodecyl oleate, oleyl oleate, octyldodecyl oleate, ethyl linoleate, isopropyl linoleate, lanolin acetate, castor oil fatty acid One or more selected from the group consisting of methyl (methyl ricinoleate) and alky
- Esters of monohydric carboxylic acids and monohydric alcohols also include esters represented by the following general formula (2).
- R 3 represents a linear or branched alkyl or alkenyl group optionally substituted with a hydroxyl group and having 1 to 25 carbon atoms, and R 4 represents 6 to 24 carbon atoms.
- R 3 represents a linear or branched alkyl or alkenyl group optionally substituted with a hydroxyl group and having 1 to 25 carbon atoms
- R 4 represents 6 to 24 carbon atoms.
- AO represents an alkyleneoxy group having 2 or more and 4 or less carbon atoms
- n represents an average addition mole number of 1 or more and 50 or less.
- R 3 is an alkyl group preferably having 7 or more carbon atoms and preferably 23 or less, more preferably 21 or less, and even more preferably 19 or less.
- R 4 is preferably an aromatic-containing hydrocarbon group having preferably 6 or more carbon atoms and preferably 22 or less, more preferably 20 or less, still more preferably 18 or less, and even more preferably a benzyl group.
- the AO group is preferably a propyleneoxy group, and n is preferably 1 or more and 10 or less, more preferably 1 or more and 5 or less.
- ester represented by the general formula (2) examples include an ester of myristic acid and a 3-mol adduct of propylene oxide of benzyl alcohol (“Crodamol STS” manufactured by Croda), and an ester of 2-ethylhexanoic acid and benzyl alcohol.
- An ester with a 3-mol adduct of propylene oxide (“Crodamol SFX” manufactured by Croda) and the like can be mentioned.
- Esters of monohydric carboxylic acids and polyhydric alcohols include esters represented by the following general formula (3).
- R 5 represents a polyhydric alcohol residue, preferably a hydrocarbon group having 2 to 10 carbon atoms
- R 6 represents a monovalent carboxylic acid residue having 1 to 25 carbon atoms.
- p is an integer of 2 or more and 10 or less.
- R 5 may have an ether bond, it is preferably a straight or branched hydrocarbon group having 2 to 10 carbon atoms.
- p is the same number as the hydroxy group which the said polyhydric alcohol has.
- R 6 preferably has 7 or more carbon atoms, and is an alkyl group having preferably 23 or less, more preferably 21 or less, and still more preferably 19 or less from the same viewpoint as described above. Still more preferably, in formula (3), an ester in which R 5 is a glycerin residue or a pentaerythritol residue and R 6 is an alkyl group having 7 to 19 carbon atoms.
- ester represented by the general formula (3) examples include propylene glycol dicaprate, propylene glycol dioleate, neopentyl glycol dicaprate, neopentyl glycol di-2-ethylhexanoate, and di(caprylic acid/capric acid).
- natural fats and oils include triglycerides such as avocado oil, olive oil, sesame oil, rice bran oil, safflower oil, soybean oil, corn oil, rapeseed oil, castor oil, cottonseed oil and mink oil.
- triglycerides such as avocado oil, olive oil, sesame oil, rice bran oil, safflower oil, soybean oil, corn oil, rapeseed oil, castor oil, cottonseed oil and mink oil.
- Esters of polyhydric carboxylic acids and monohydric alcohols also include esters represented by the following general formula (4).
- R7- ( COOR8 ) q (4) R 7 is a polycarboxylic acid residue having 2 to 10 carbon atoms
- R 8 represents a monohydric alcohol residue having 1 to 24 carbon atoms
- q is 2 to 10. is an integer of Moreover, q is the same number as the carboxy group which the said polyhydric carboxylic acid has.
- R 8 preferably has 3 or more carbon atoms, more preferably 6 or more carbon atoms, and is preferably 22 or less, more preferably 20 or less, and still more preferably 18 or less from the same viewpoint as described above. Still more preferably, in general formula (4), it is an ester in which R 7 is a trimellitic acid residue and R 8 is a branched alkyl group having 6 to 18 carbon atoms.
- esters represented by formula (4) include diisostearyl malate, di-2-ethylhexyl succinate, diisobutyl adipate, di-2-heptylundecyl adipate, di-2-ethylhexyl sebacate, and sebacin. diisopropyl acid, tri-2-ethylhexyl trimellitate, and the like.
- an ester of a monohydric carboxylic acid and a monohydric alcohol represented by the general formula (1) is preferable from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment
- Ether oils include dialkyl ether compounds represented by the following general formula (5) and polyoxyalkylene alkyl ether compounds represented by the following general formula (6).
- R9 - OR10 (5) In general formula (5), R 9 and R 10 each independently represent a linear or branched alkyl group or alkenyl group having 6 to 22 carbon atoms, or an aromatic hydrocarbon group having 6 to 24 carbon atoms. indicates R 9 and R 10 are preferably alkyl groups, preferably having 8 or more carbon atoms, from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment. It is 18 or less, more preferably 16 or less, still more preferably 12 or less.
- R 11 O—(PO)r(EO)s—H (6)
- R 11 represents an alkyl or alkenyl group having 6 to 22 carbon atoms
- PO represents a propyleneoxy group
- EO represents an ethyleneoxy group.
- r indicates an average addition mole number of 0.1 or more and 15 or less
- s indicates an average addition mole number of 0 or more and 10 or less. If s is non-zero, the addition form of PO and EO can be random or block.
- the number of carbon atoms in R 11 is preferably 8 or more, and preferably 20 or less, more preferably 18 or less, still more preferably 12 or less.
- the average added mole number r is preferably 1 or more, more preferably 2 or more, and still more preferably 3 or more, from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment, and It is preferably 13 or less, more preferably 10 or less, and the average addition mole number s is preferably 5 or less, more preferably 1 or less, and still more preferably 0.
- Examples of the polyoxyalkylene alkyl ether compound represented by the general formula (6) include polypropylene glycol, polyoxypropylene octyl ether and polyoxypropylene decyl ether having an average added mole number r of propyleneoxy groups of 3 or more and 10 or less, and one or more selected from the group consisting of polyoxypropylene lauryl ether.
- Hydrocarbon oils include squalene, squalane, liquid paraffin, liquid isoparaffin, isohexadecane, isoeicosane, hydrogenated polyisobutene, light liquid isoparaffin, heavy liquid isoparaffin, ⁇ -olefin oligomer, and cycloparaffin.
- Higher fatty acids include fatty acids having 8 or more carbon atoms, preferably 12 or more carbon atoms, such as capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, and coconut oil. fatty acids, lanolin fatty acids, isostearic acid, isopalmitic acid and the like.
- Waxes include beeswax, whale wax, lanolin, and carnauba wax.
- One or two or more of the oil agents that are component (I) can be used.
- (a) silicone oil, (b) ester oil, (d) hydrocarbon oil, and (e) are preferable.
- one or more selected from the group consisting of higher fatty acids more preferably one or more selected from the group consisting of (a) silicone oil and (e) higher fatty acids, still more preferably dimethylpolysiloxane , dimethiconol, methylphenylpolysiloxane, modified silicone other than component (H), and one or more selected from the group consisting of fatty acids having 12 or more carbon atoms, more preferably dimethylpolysiloxane, dimethiconol, poly One or more selected from the group consisting of ether-modified silicone, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, coconut oil fatty acid, lanolin fatty acid, isostearic acid, and isopalmitic acid. more preferably one or more selected from the group consisting of dimethylpolysiloxane and lanolin fatty acid, and still more preferably dimethylpolysiloxane and lan
- the content or blending amount of each component in the hair cosmetic composition is preferably as follows, from the viewpoints of stability of the composition, improvement of feel when applied to hair, and suppression of spread of hair under high humidity conditions. is as follows.
- the content of component (A) in the hair cosmetic composition is determined from the viewpoints of ease of formation of a polyion complex, improvement of feel when applied to hair, and suppression of spread of hair under high humidity conditions. It is preferably 0.01% by mass or more, more preferably 0.02% by mass or more, and still more preferably 0.03% by mass or more. From the viewpoint of improving the emulsified state, the content is preferably less than 0.50% by mass, more preferably 0.30% by mass or less, and even more preferably 0.20% by mass or less.
- the content of component (A) in the hair cosmetic composition is preferably 0.01% by mass or more and less than 0.50% by mass, more preferably 0.02% by mass or more and 0.30% by mass or less. It is preferably 0.03% by mass or more and 0.30% by mass or less, and more preferably 0.03% by mass or more and 0.20% by mass or less.
- the content of the component (B) in the hair cosmetic composition is determined from the viewpoints of ease of formation of polyion complexes, improvement of feel when applied to hair, and suppression of spread of hair under high humidity conditions. It is preferably 0.01% by mass or more, more preferably 0.015% by mass or more. Also, from the viewpoint of improving the emulsified state, it is preferably less than 0.50% by mass, more preferably 0.30% by mass or less, still more preferably 0.20% by mass or less, and even more preferably 0.15% by mass. 0.10% by mass or less, and more preferably 0.10% by mass or less.
- the content of component (B) in the hair cosmetic composition is preferably 0.01% by mass or more and less than 0.50% by mass, more preferably 0.01% by mass or more and 0.30% by mass or less.
- 0.01% by mass or more and 0.20% by mass or less more preferably 0.015% by mass or more and 0.20% by mass or less, still more preferably 0.015% by mass or more and 0.15% by mass or less, more More preferably, it is 0.015% by mass or more and 0.10% by mass or less.
- the total content of component (A) and component (B) in the hair cosmetic composition is less than 1.0% by mass, preferably 0.9% by mass or less, and more It is preferably 0.5% by mass or less, more preferably 0.4% by mass or less.
- it is preferably 0.01% by mass or more, more preferably 0.03% by mass or more, and still more preferably 0.05% by mass or more. is.
- the total content of component (A) and component (B) in the hair cosmetic composition is less than 1.0% by mass, preferably 0.01% by mass or more and 0.9% by mass or less, more preferably is 0.03% by mass or more and 0.9% by mass or less, more preferably 0.05% by mass or more and 0.9% by mass or less, even more preferably 0.05% by mass or more and 0.5% by mass or less, still more preferably is 0.05% by mass or more and 0.4% by mass or less.
- the ratio of the number of moles of cationic charges in the component (A) to the number of moles of the anionic charges in the component (B) in the hair cosmetic composition is determined from the viewpoint of improving the emulsified state and improving the feeling when applied to the hair. From the viewpoint, preferably 5/95 to 95/5, more preferably 10/90 to 90/10, still more preferably 20/80 to 80/20, still more preferably 20/80 to 60/40, still more preferably is an amount that is 40/60 to 60/40.
- the content of component (C) in the hair cosmetic composition is preferably 0.01% by mass or more, more preferably 0.01% by mass or more, from the viewpoint of improving the feel of the hair when applied to the hair and suppressing the spread of the hair under high humidity conditions. It is preferably 0.02% by mass or more, more preferably 0.03% by mass or more, still more preferably 0.05% by mass or more, and still more preferably 0.1% by mass or more. Further, from the viewpoint of improving the emulsified state, preferably 5.0% by mass or less, more preferably 4.0% by mass or less, even more preferably 3.0% by mass or less, and even more preferably 2.0% by mass or less, More preferably 1.0 mass % or less, still more preferably 0.5 mass % or less.
- the content of component (C) in the hair cosmetic composition is preferably 0.01% by mass or more.
- 5.0 mass % or less more preferably 0.02 mass % or more and 5.0 mass % or less, still more preferably 0.03 mass % or more and 5.0 mass % or less, still more preferably 0.03 mass % or more4 .0% by mass or less, more preferably 0.05% by mass or more and 3.0% by mass or less, still more preferably 0.1% by mass or more and 2.0% by mass or less, still more preferably 0.1% by mass or more It is 1.0% by mass or less, more preferably 0.1% by mass or more and 0.5% by mass or less.
- the mass ratio of the total content of component (A) and component (B) to the content of component (C) in the hair cosmetic composition [ ⁇ (A) + (B) ⁇ /(C)] is From the viewpoint of improving the feeling when applied to hair and suppressing the spread of hair under high humidity conditions, it is preferably 0.01 or more, more preferably 0.05 or more, and still more preferably 0.10 or more, From the viewpoint of improving the emulsified state, it is preferably 30 or less, more preferably 25 or less, still more preferably 20 or less, still more preferably 10 or less, even more preferably 5.0 or less, more preferably 3.0 or less, and further It is preferably 2.0 or less.
- the mass ratio [ ⁇ (A) + (B) ⁇ /(C)] of the total content of component (A) and component (B) to the content of component (C) in the hair cosmetic composition is , preferably 0.01 or more and 30 or less, more preferably 0.01 or more and 25 or less, still more preferably 0.01 or more and 20 or less, still more preferably 0.01 or more and 10 or less, still more preferably 0.01 or more and 5 0.0 or less, more preferably 0.05 or more and 3.0 or less, still more preferably 0.10 or more and 2.0 or less.
- the content of component (D) in the hair cosmetic composition is preferably 0.1% by mass or more, more preferably 0.1% by mass or more, from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment.
- the amount is 0.2% by mass or more, more preferably 0.5% by mass or more, and even more preferably 1.0% by mass or more.
- the content is preferably 10% by mass or less, more preferably 5.0% by mass or less, and even more preferably 3.5% by mass or less.
- the content of component (D) in the hair cosmetic composition is preferably 0.1% by mass or more and 10% by mass or less, more preferably 0.2% by mass or more and 5.0% by mass or less, and still more preferably It is 0.5% by mass or more and 5.0% by mass or less, more preferably 1.0% by mass or more and 3.5% by mass or less.
- the content of the component (E) in the hair cosmetic composition is preferably 0.1% by mass or more, more preferably 0.1% by mass or more, from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment. It is 0.2% by mass or more, more preferably 0.5% by mass or more, and even more preferably 1.0% by mass or more. From the viewpoint of stability of the composition, the content is preferably 15% by mass or less, more preferably 10% by mass or less, and even more preferably 8.0% by mass or less.
- the content of component (E) in the hair cosmetic composition is preferably 0.1% by mass or more and 15% by mass or less, more preferably 0.2% by mass or more and 10% by mass or less, still more preferably 0.2% by mass or more and 10% by mass or less. 5 mass % or more and 10 mass % or less, more preferably 1.0 mass % or more and 8.0 mass % or less.
- the content of the organic acid in the hair cosmetic composition is preferably 0.01% by mass or more, more preferably 0.02% by mass or more, from the viewpoint of facilitating the formation of a polyion complex.
- the organic acid content in the hair cosmetic composition is preferably 0.01% by mass or more and 5.0% by mass or less, more preferably 0.02% by mass or more and 3.0% by mass or less, and still more preferably 0.03% by mass or more and 3.0% by mass or less, more preferably 0.05% by mass or more and 3.0% by mass or less, still more preferably 0.05% by mass or more and 2.0% by mass or less, still more preferably is 0.1% by mass or more and 1.5% by mass or less, more preferably 0.2% by mass or more and 1.5% by mass or less, and even more preferably 0.3% by mass or more and 1.5% by mass or less.
- the component (D) in the hair cosmetic composition is any of (v) alkyldimethylamine and its salts, (vi) alkoxyalkyldimethylamine and its salts, and (vii) alkylamidoalkyldimethylamine and its salts.
- the content of the organic acid in the hair cosmetic composition may be an amount exceeding 5.0% by mass. This is because the presence of the organic acid as a counter anion of the amine is expected to improve the stability of the hair cosmetic composition and improve the feeling when applied to the hair.
- the above content is the amount in terms of the organic acid.
- the water content in the hair cosmetic composition is preferably 10% by mass or more, more preferably 20% by mass or more, still more preferably 20% by mass or more, from the viewpoint of ease of formation of the polyion complex and from the viewpoint of improving the emulsified state. is 30% by mass or more. From the viewpoint of stability of the composition and flexibility in blending, the content is preferably 99% by mass or less, more preferably 95% by mass or less, and even more preferably 92% by mass or less.
- the water content in the hair cosmetic composition is preferably 10% by mass or more and 99% by mass or less, more preferably 20% by mass or more and 95% by mass or less, and still more preferably 30% by mass or more and 92% by mass or less. be.
- Component (F) When an aromatic alcohol is used, the content of component (F) in the hair cosmetic composition should be adjusted from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment. It is preferably 0.1% by mass or more, more preferably 0.2% by mass or more, and still more preferably 0.3% by mass or more. From the viewpoint of the stability of the composition, the content is preferably 5.0% by mass or less, more preferably 3.0% by mass or less, and even more preferably 2.0% by mass or less. The content of component (F) in the hair cosmetic composition is preferably 0.1% by mass or more and 5.0% by mass or less, more preferably 0.2% by mass or more and 3.0% by mass or less. It is preferably 0.3% by mass or more and 2.0% by mass or less.
- Component (G) When a non-aromatic polyol is used, the content of component (G) in the hair cosmetic composition is from the viewpoint of further improving the feel of the hair when applied to the hair and the feel of the hair after treatment. From the viewpoint of improving moisture retention, it is preferably 0.1% by mass or more, more preferably 0.2% by mass or more, still more preferably 0.5% by mass or more, and even more preferably 1.0% by mass or more. From the viewpoint of stability of the composition, the content is preferably 10% by mass or less, more preferably 5.0% by mass or less, and even more preferably 3.0% by mass or less.
- the content of component (G) in the hair cosmetic composition is preferably 0.1% by mass or more and 10% by mass or less, more preferably 0.2% by mass or more and 10% by mass or less, and still more preferably 0.2% by mass or more and 10% by mass or less. 5% by mass or more and 5.0% by mass or less, more preferably 1.0% by mass or more and 3.0% by mass or less.
- Component (H) When using one or more modified silicones selected from the group consisting of amino-modified silicones and aminopolyether-modified silicones, the content of component (H) in the hair cosmetic composition is From the viewpoints of improving the feel of the hair when worn and suppressing hair spreading under high humidity conditions, the amount is preferably 0.05% by mass or more, more preferably 0.1% by mass or more. In addition, from the viewpoint of improving the emulsified state, the be.
- the content of component (H) in the hair cosmetic composition is preferably 0.05% by mass or more and 5.0% by mass or less, more preferably 0.05% by mass or more and 2.0% by mass or less. It is preferably 0.1% by mass or more and 1.0% by mass or less, and more preferably 0.1% by mass or more and 0.5% by mass or less.
- Component (I) When an oil is used, the content of component (I) in the hair cosmetic composition is preferably from the viewpoint of further improving the feel of the hair when applied and the feel of the hair after treatment. It is 0.1% by mass or more, more preferably 0.2% by mass or more, still more preferably 0.5% by mass or more, and even more preferably 1.0% by mass or more. In addition, from the viewpoint of improving the feeling of use of the composition, the content is preferably 10% by mass or less, more preferably 5.0% by mass or less, and even more preferably 3.0% by mass or less.
- the content of component (I) in the hair cosmetic composition is preferably 0.1% by mass or more and 10% by mass or less, more preferably 0.2% by mass or more and 5.0% by mass or less, and still more preferably It is 0.5% by mass or more and 5.0% by mass or less, more preferably 1.0% by mass or more and 3.0% by mass or less.
- optional ingredients in the hair cosmetic composition include anionic surfactants, amphoteric surfactants, antioxidants, anti-dandruff agents, vitamins, bactericides, anti-inflammatory agents, preservatives, chelating agents, and moisturizing agents. agents, pearl agents, ceramides, fragrances, plant extracts, ultraviolet absorbers, pH adjusters, and the like.
- the pH of the 5% aqueous solution of the hair cosmetic composition at 25°C is preferably 2.0 or higher, more preferably 3.0 or higher. and is preferably 10.0 or less, more preferably 7.0 or less, and still more preferably 5.0 or less.
- the pH of the 5% aqueous solution of the hair cosmetic composition at 25°C is preferably from 2.0 to 10.0, more preferably from 3.0 to 7.0, still more preferably from 3.0 to 5.0. 0 or less.
- the above pH can be measured by adding water to the hair cosmetic composition to obtain a 5% aqueous solution and measuring the pH at 25°C using a pH meter.
- the method for producing the hair cosmetic composition is not particularly limited, but when the hair cosmetic composition is an emulsified composition, it has a good feeling when applied to the hair and suppresses the spread of the hair under high humidity conditions. From the viewpoint of being able to produce a highly stable hair cosmetic composition, a method comprising the following step (1) and either the following step (2-1) or step (2-2). is preferred.
- Step (1) Step of preparing a mixture A containing component (A), component (B), organic acid and water Step (2-1) oil phase components containing said mixture A and components (C) to (E) Step (2-2) of mixing an emulsion (I) by mixing an oil phase component containing components (C) to (E) and an aqueous phase component other than the mixture A to prepare an emulsion A step of preparing (II) and then mixing the mixture A.
- Components (C) to (E) are emulsion-forming components, and the “oil phase component containing components (C) to (E)” is It is an oil phase component containing an emulsion-forming component.
- aqueous phase component means a component that constitutes the aqueous phase in the manufacturing process of the emulsion composition
- oil phase component means the component that constitutes the oil phase in the manufacturing process of the emulsion composition.
- Step (1) Preparation step of mixture A>
- the component (A), component (B), organic acid and water are mixed to prepare a mixture A (aqueous phase component) containing component (A), component (B), organic acid and water. do.
- a mixture A containing a polyion complex formed from the component (A) and the component (B) is obtained by performing the step (1).
- the order of mixing component (A), component (B), organic acid and water is not particularly limited.
- component (A), component (B) and organic acid are added to water at the same time. may be mixed together.
- the component (A) and the organic acid are first added to water and mixed, and then the component (B) is added. It is preferable to mix by
- the temperature during mixing in step (1) is not particularly limited, but from the viewpoint of improving the dispersibility of components (A) and component (B) and the ease of forming a polyion complex, it is preferably 40 ° C. or higher, and more. It is preferably 45° C.
- the temperature during mixing in step (1) is preferably 40° C. or higher and 90° C. or lower, more preferably 45° C. or higher and 90° C. or lower, still more preferably 50° C. or higher and 80° C. or lower, still more preferably 50° C. or higher and 70° C. or higher. °C or less, more preferably 50°C or more and 65°C or less.
- the mixing time in step (1) is not particularly limited, but from the viewpoint of improving the emulsified state, it is preferably 1 minute or more, more preferably 3 minutes or more, and from the viewpoint of productivity, it is preferably 1 hour or less.
- step (1) can be performed using a known emulsifier or stirring device such as a high-pressure emulsifier, an ultrasonic emulsifier, and a homomixer.
- a known emulsifier or stirring device such as a high-pressure emulsifier, an ultrasonic emulsifier, and a homomixer.
- the mixture A obtained in step (1) may be a clear solution, but is preferably in a suspension state.
- the polyion complex formed from the component (A) and the component (B) is not solubilized, and is presumably precipitated and uniformly dispersed in the solution.
- step (2-1) or (2-2) when mixture A exhibiting a suspension state is used in step (2-1) or (2-2), a stable polyion complex state is maintained in the obtained emulsion composition, and the stability of the emulsion composition is improved. It is thought that the feeling when applied to the hair and the effect of suppressing the spread of the hair under high humidity conditions are further improved.
- the amount of the component (A) in the mixture A is determined from the viewpoint of ease of formation of the polyion complex, the improvement of the feel of the resulting composition when applied to the hair, and the suppression of the spread of the hair under high-humidity conditions. , preferably 0.01% by mass or more, more preferably 0.03% by mass or more, and still more preferably 0.05% by mass or more in 100% by mass of the total amount of the mixture A. Also, from the viewpoint of improving the emulsified state, the amount is preferably less than 10% by mass, more preferably less than 5% by mass, even more preferably less than 1% by mass, and even more preferably less than 0.5% by mass. .
- the amount of component (A) in mixture A is preferably 0.01% by mass or more and less than 10% by mass, more preferably 0.03% by mass or more and 5% by mass, based on the total amount of 100% by mass of mixture A. less than, more preferably 0.03% by mass or more and less than 1% by mass, still more preferably 0.05% by mass or more and less than 0.5% by mass.
- the amount of the component (B) in the mixture A is determined from the viewpoint of ease of formation of the polyion complex, the improvement of the texture of the obtained composition when applied to the hair, and the suppression of the spread of the hair under high-humidity conditions. , preferably 0.01% by mass or more, more preferably 0.02% by mass or more, and still more preferably 0.05% by mass or more in 100% by mass of the total amount of the mixture A. Also, from the viewpoint of improving the emulsified state, the amount is preferably less than 5% by mass, more preferably less than 3% by mass, even more preferably less than 1% by mass, and even more preferably less than 0.3% by mass. .
- the amount of component (B) in mixture A is preferably 0.01% by mass or more and less than 5% by mass, more preferably 0.01% by mass or more and 3% by mass, based on the total amount of 100% by mass of mixture A. less than, more preferably 0.02% by mass or more and less than 1% by mass, still more preferably 0.05% by mass or more and less than 0.3% by mass.
- the amount of the organic acid in the mixture A is preferably 0.01% by mass or more, more preferably 0.03% by mass or more, based on 100% by mass of the total amount of the mixture A, from the viewpoint of ease of forming a polyion complex.
- the amount is preferably 0.05% by mass or more. Also, from the viewpoint of facilitating the preparation of the mixture A in a suspension state, it is preferably less than 10% by mass, more preferably less than 5% by mass, even more preferably less than 1% by mass, and even more preferably 0.75% by mass. %, more preferably less than 0.30 mass %.
- the amount of the organic acid compounded in the mixture A is preferably 0.01% by mass or more and less than 10% by mass, more preferably 0.01% by mass or more and less than 5% by mass, based on 100% by mass of the total amount of the mixture A. More preferably 0.03% by mass or more and less than 1% by mass, still more preferably 0.05% by mass or more and less than 0.75% by mass, still more preferably 0.05% by mass or more and less than 0.30% by mass is.
- the amount of organic acid used in the preparation of mixture A in step (1) may be a portion of the organic acid contained in the resulting composition.
- the mass ratio of the total amount of the components (A) and (B) to the amount of the organic acid [(A + B) / organic acid] is from the viewpoint of facilitating the preparation of the mixture A in a suspension state. , preferably 1/0.10 to 1/20, more preferably 1/0.15 to 1/15, from the viewpoint of improving the feel when applied to the hair, and from the viewpoint of suppressing the spread of the hair under high humidity conditions, More preferably 1/0.20 to 1/10, still more preferably 1/0.20 to 1/8, still more preferably 1/0.22 to 1/4.
- the amount of water in the mixture A is preferably 50% by mass or more, more preferably 60% by mass, based on the total amount of 100% by mass of the mixture A, from the viewpoint of ease of formation of the polyion complex and from the viewpoint of improving the emulsified state. % or more, more preferably 80 mass % or more, and preferably 99.8 mass % or less.
- the amount of water in the mixture A is preferably 50% by mass or more and 99.97% by mass or less, more preferably 50% by mass or more and 99.8% by mass or less, and still more preferably 60% by mass or more and 99.8% by mass or less. Below, more preferably 70% by mass or more and 99.8% by mass or less, still more preferably 80% by mass or more and 99.8% by mass or less.
- the amount may be a fraction of the water contained in the resulting composition.
- Mixture A may contain components other than component (A), component (B), organic acid and water.
- the total content of component (A), component (B), organic acid and water in the mixture A is preferably 70% by mass or more, more preferably 80% by mass or more, and still more preferably 90% by mass. % by mass or more, more preferably 95% by mass or more and 100% by mass or less.
- the pH of the mixture A at 25°C is preferably 1.5 or higher, more preferably 2.0 or higher, and preferably It is 4.0 or less, more preferably 3.2 or less, and still more preferably 3.0 or less.
- the pH of the mixture A at 25° C. is preferably 1.5 or more and 4.0 or less, more preferably 2.0 or more and 4.0 or less, still more preferably 2.0 or more and 3.2 or less, still more preferably It is 2.0 or more and 3.0 or less.
- the pH of mixture A at 25°C can be measured using a pH meter.
- Step (2)> When the hair cosmetic composition is an emulsified composition, the method for producing the hair cosmetic composition preferably comprises following step (2-1) or step (2-2) after step (1). have any. As a result, a highly stable emulsified composition containing the polyion complex obtained in step (1) can be produced.
- Step (2-1) Step of mixing the mixture A and an oil phase component containing components (C) to (E) to prepare emulsion (I)
- Step (2-2) Components (C) to ( A step of mixing an oil phase component containing E) with an aqueous phase component other than the mixture A to prepare an emulsion (II), and then mixing the mixture A
- step (2-1) In step (2-1), first, the mixture A obtained in step (1) and an oil phase component containing components (C) to (E) are mixed to prepare emulsion (I). Then, other oil phase components and water phase components other than the mixture A can be mixed as necessary. The mixing ratio of the mixture A and the oil phase component containing the emulsion-forming component is adjusted and mixed so that the total amount of the component (A) and the component (B) in the resulting emulsified composition is within a predetermined range. There is no particular limitation.
- the oil phase component containing components (C) to (E) may further contain component (F): aromatic alcohol and component (G): non-aromatic polyol.
- the total content of components (C) to (E) is preferably from the viewpoint of stably forming an emulsion. is 30 mass % or more, more preferably 50 mass % or more, still more preferably 70 mass % or more, and 100 mass % or less.
- the “other oil phase component” is an oil phase component that does not contain an emulsion-forming component, and includes component (H): amino-modified silicone/aminopolyether-modified silicone, component (I): oil agent, and the like.
- the "aqueous phase components other than the mixture A" include the remainder of the organic acid and water, and component (G) (non-aromatic polyol).
- the temperature at which the mixture A and the oil phase components containing components (C) to (E) are mixed in step (2-1) is not particularly limited, but from the viewpoint of the stability of the resulting composition, preferably The temperature is 40° C. or higher, more preferably 45° C. or higher, still more preferably 50° C. or higher, and from the viewpoint of suppressing thermal deterioration of the compounded ingredients, it is preferably 90° C. or lower, more preferably 80° C. or lower.
- the temperature at which the mixture A and the oil phase components containing components (C) to (E) are mixed in step (2-1) is preferably 40° C. or higher and 90° C. or lower, more preferably 45° C. or higher and 90° C. or higher.
- the mixing time of the mixture A and the oil phase component containing components (C) to (E) in step (2-1) is not particularly limited, but from the viewpoint of improving the emulsified state, it is preferably 1 minute or more, more preferably. is 3 minutes or more, and preferably 1 hour or less from the viewpoint of productivity.
- the obtained emulsion (I) is mixed with other oil phase components described above and water phase components (other components) other than the mixture A, if necessary.
- the emulsion (I), the other oil phase components, and the water phase components other than the mixture A may be mixed all at once, or may be divided into multiple portions and added one to the other and mixed. good.
- the temperature at which the emulsion (I), other oil phase components, and water phase components other than the mixture A are mixed is not particularly limited, but from the viewpoint of improving the feel of the resulting composition when applied to the hair, And, from the viewpoint of improving the stability of the emulsified composition, it is preferably 40° C. or higher, more preferably 45° C. or higher, and still more preferably 50° C. or higher, and from the viewpoint of suppressing thermal deterioration of the ingredients, it is preferably 90° C. or lower. , more preferably 80° C. or lower, still more preferably 70° C. or lower.
- the temperature at which the emulsion (I), other oil phase components, and water phase components other than the mixture A are mixed is preferably 40° C.
- the mixing time of emulsion (I) and other components is also not particularly limited, and is preferably 5 minutes or longer, more preferably 10 minutes or longer, and preferably 12 hours or shorter from the viewpoint of productivity.
- Step (2-2) In the step (2-2), first, an oil phase component containing components (C) to (E) and an aqueous phase component other than the mixture A are mixed to prepare an emulsion (II). Next, the emulsion (II) and the mixture A are mixed.
- the “oil phase components containing components (C) to (E)” and the “aqueous phase components other than the mixture A” are the same as in step (2-1).
- the amount of the aqueous phase components other than the mixture A used in the preparation of the emulsion (II) does not need to be the total amount of the aqueous phase components used in step (2-2), and may be at least a portion.
- the aqueous phase component other than the mixture A used for preparing the emulsion (II) is preferably water.
- the oil phase components containing components (C) to (E) and the water phase components other than the mixture A are not particularly limited in temperature when mixed, but the resulting composition can be applied to the hair.
- the temperature is preferably 40° C. or higher, more preferably 45° C. or higher, and still more preferably 50° C. or higher, to suppress thermal deterioration of the ingredients. From the point of view, it is preferably 90° C. or lower, more preferably 80° C. or lower.
- the temperature at which the oil phase components containing components (C) to (E) and the water phase components other than the mixture A are mixed is preferably 40° C.
- the mixing time of the oil phase components containing components (C) to (E) and the aqueous phase components other than the mixture A is not particularly limited, but from the viewpoint of preparing the emulsion, preferably It is 1 minute or more, more preferably 3 minutes or more, and preferably 1 hour or less from the viewpoint of productivity.
- Emulsion (II) and mixture A are mixed.
- the mixing ratio of the mixture A and the emulsion (II) may be adjusted so that the total amount of the component (A) and the component (B) in the resulting emulsified composition is within a predetermined range.
- Emulsion (II) and mixture A may be mixed all at once, or may be divided into multiple batches, one of which may be added to the other and mixed. Simultaneously with the mixing of the emulsion (II) and the mixture A, or before or after the mixing, if necessary, the other oil phase components and the remaining amount of the water phase components described above can be added and mixed. can.
- the temperature at which the emulsion (II) and the mixture A are mixed is not particularly limited, but from the viewpoint of the stability of the emulsion composition to be obtained, it is preferably 50°C or lower, more preferably 45°C or lower, and preferably 10°C. °C or higher, more preferably 20 °C or higher.
- the temperature at which the emulsion (II) and the mixture A are mixed is preferably 10°C or higher and 50°C or lower, more preferably 20°C or higher and 45°C or lower.
- the temperature at which emulsion (II) and mixture A are mixed is not particularly limited, but is preferably 1 minute or more, more preferably 3 minutes or more, and preferably 1 hour or less from the viewpoint of productivity.
- each mixing step in steps (2-1) and (2-2) can be performed using the same equipment as in step (1).
- the method for producing the hair cosmetic composition preferably includes steps (1) and (2-1).
- Component (A) one or more polymers selected from the group consisting of cationic polymers and amphoteric polymers
- Component (C) polyglycerin and its derivatives, one or more nonionic compounds selected from the group consisting of sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and glycerin fatty acid esters having an HLB of 1 to 5
- Component (D) a cationic surfactant
- Component (E) higher alcohol
- the amphoteric polymer is preferably a polymer having a cationic group and an anionic group, the pH of a 1% aqueous solution of the polymer at 25°C is less than 5.1, and the total charge of the polymer is positively charged.
- the hair cosmetic composition according to any one of ⁇ 1>, ⁇ 3>, and ⁇ 4>, which is a polymer containing ⁇ 6> is a polymer containing ⁇ 6>
- the cationic charge density of the component (A) is preferably 0.1 meq/g or more and 10 meq/g or less, more preferably 0.5 meq/g or more and 8.0 meq/g or less, still more preferably 1.0 meq/g or more7 0 meq/g or less, more preferably 2.0 meq/g or more and 7.0 meq/g or less, the hair cosmetic composition according to any one of ⁇ 1> to ⁇ 5>.
- the component (A) is preferably cationized guar gum, cationized tara gum, cationized locust bean gum, cationic starch, cationized cellulose, cationized hydroxyalkylcellulose, cationized polyvinyl alcohol, polyethyleneimine, quaternary dialkyl Aminoalkyl (meth)acrylate polymer, diallyl quaternized ammonium salt polymer, methacrylamidopropyltrimethylammonium salt polymer, methacryloylethyltrimethylammonium salt polymer, vinylimidazolium trichloride/vinylpyrrolidone copolymer ( Polyquaternium-16), vinylpyrrolidone/alkylamino (meth)acryl
- the component (A) is more preferably a dimethyldiallylammonium chloride polymer (polyquaternium-6), an acrylamide/acrylic acid/dimethyldiallylammonium chloride copolymer (polyquaternium-39), and vinylimidazolium trichloride/vinylpyrrolidone.
- the hair cosmetic composition according to any one of ⁇ 1> to ⁇ 8>, which is at least one selected from the group consisting of copolymers (polyquaternium-16).
- the cationic charge density of the dimethyldiallylammonium chloride polymer is more preferably 2.0 meq/g or more, still more preferably 2.5 meq/g or more, and even more preferably 6.5 meq/g. or less, and the weight average molecular weight is more preferably 10,000 or more and 200,000 or less, any one of ⁇ 2>, ⁇ 8>, and ⁇ 9>.
- the cationic charge density of the dimethyldiallylammonium chloride/acrylic acid copolymer is more preferably 2.0 meq/g or more, still more preferably 3.0 meq/g or more, and even more preferably 4.0 meq.
- /g or more more preferably 6.5 meq/g or less, still more preferably 6.0 meq/g or less, and a weight average molecular weight of 20,000 or more, still more preferably 50,000 More preferably 100,000 or more, still more preferably 200,000 or more, still more preferably 300,000 or more, still more preferably 1,000,000 or less, even more preferably 600,000 or less, still more preferably 500,000 or less
- the cationic charge density of the acrylamide/acrylic acid/dimethyldiallylammonium chloride copolymer is more preferably 2.0 meq/g or more, still more preferably 2.5 meq/g or more, and even more preferably. is 6.5 meq/g or less, more preferably 5.0 meq/g or less, still more preferably 4.0 meq/g or less, and the weight average molecular weight is still more preferably 20,000 or more, still more preferably 50 ⁇ 2> , ⁇ 8>, ⁇ 9> any one hair cosmetic composition.
- the cationic charge density of acrylic acid/methyl acrylate/methacrylamidopropyltrimethylammonium chloride copolymer is more preferably 2.0 meq/g or more, still more preferably 2.5 meq/g or more. , More preferably 6.5 meq/g or less, still more preferably 5.0 meq/g or less, still more preferably 4.5 meq/g or less, and a weight average molecular weight of 200,000 or more, still more preferably
- the hair cosmetic according to ⁇ 2> or ⁇ 8> which is preferably 500,000 or more, more preferably 1,000,000 or more, preferably 5,000,000 or less, more preferably 3,000,000 or less, and still more preferably 1,500,000 or less. composition.
- the cationic charge density of the vinylimidazolium trichloride/vinylpyrrolidone copolymer is more preferably 2.0 meq/g or more, still more preferably 6.5 meq/g or less, and even more preferably 5.0 meq/g or less, more preferably 4.5 meq/g or less, and a weight average molecular weight of 20,000 or more, even more preferably 50,000 or more, and still more preferably 150,000 or less.
- the hair cosmetic composition according to any one of ⁇ 2>, ⁇ 8>, and ⁇ 9>.
- ⁇ 15> Any one of ⁇ 1>, ⁇ 3> to ⁇ 14>, wherein the component (B) is a polymer having an anionic group and substantially no cationic group or amphoteric group.
- the hair cosmetic composition according to any one of ⁇ 15>. ⁇ 17> ⁇ 1>, ⁇ 3> The hair cosmetic composition according to any one of ⁇ 16>.
- the anion charge density of the component (B) is preferably 0.1 meq/g or more and 30 meq/g or less, more preferably 0.5 meq/g or more and 30 meq/g or less, still more preferably 1.0 meq/g or more and 20 meq/g.
- the weight average molecular weight of component (B) is preferably 3,000 or more and 50,000 or less, more preferably 5,000 or more and 40,000 or less, still more preferably 10,000 or more and 30,000 or less, ⁇ 1 > to the hair cosmetic composition according to any one of ⁇ 18>.
- the component (B) is preferably a polymer having a carboxy group, more preferably a carboxy group-containing cellulose derivative, a carboxyvinyl polymer, a poly(meth)acrylic acid, a (meth)acrylic acid-based copolymer, or a salt thereof.
- the hair cosmetic composition according to any one of ⁇ 1>, ⁇ 3> to ⁇ 19>, which is one or more selected from the group consisting of coalescence or salts thereof.
- Composition. ⁇ 22> The alkyl group in the polyglycerin alkyl ether and the polyglycerin dialkyl ether, and the fatty acid in the polyglycerin fatty acid ester preferably have 8 to 22 carbon atoms, more preferably 12 to 22 carbon atoms, still more preferably 12 to 22 carbon atoms.
- the hair cosmetic composition according to ⁇ 21> which is 12 or more and 18 or less.
- HLB of sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, and glycerin fatty acid ester is preferably 1.5 or more and 4.5 or less, more preferably 1.5 or more and 3.5 or less, ⁇ 1> to ⁇ 22
- Fatty acids in sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and glycerin fatty acid esters preferably have 8 to 22 carbon atoms, more preferably 12 to 22 carbon atoms, and still more preferably 12 to 18 carbon atoms.
- the component (C) is preferably one or more selected from the group consisting of polyglycerin, sorbitan fatty acid ester having an HLB of 1 or more and 5 or less, and glycerin fatty acid ester having an HLB of 1 or more and 5 or less, more preferably One or more selected from the group consisting of polyglycerin, sorbitan oleate with an HLB of 1 or more and 5 or less, glyceryl stearate with an HLB of 1 or more and 5 or less, and glyceryl isostearate with an HLB of 1 or more and 5 or less, ⁇ 1 > to the hair cosmetic composition according to any one of ⁇ 24>.
- Component (D) is preferably (i) alkyltrimethylammonium salt, (ii) alkoxyalkyltrimethylammonium salt, (iii) dialkyldimethylammonium salt, (iv) alkylamidoalkyltrimethylammonium salt, (v) alkyldimethylamine and salts thereof, (vi) alkoxyalkyldimethylamines and salts thereof, and (vii) alkylamidoalkyldimethylamines and salts thereof, and more preferably (i) alkyltrimethylammonium one or more selected from the group consisting of salts, (ii) alkoxyalkyltrimethylammonium and (v) alkyldimethylamines and salts thereof, more preferably behenyltrimethylammonium chloride, stearoxypropyltrimethylammonium chloride and stearoxyethyltrimethylammonium chloride , stearoxyhydroxypropyltrimethylammonium chloride
- Component (E) is an aliphatic monohydric alcohol having 12 or more carbon atoms, preferably 12 or more and 22 or less carbon atoms, more preferably lauryl alcohol, cetyl alcohol, myristyl alcohol, oleyl alcohol, stearyl alcohol, isostearyl alcohol; - one or more selected from the group consisting of octyldodecanol, behenyl alcohol, and cetostearyl alcohol, more preferably one or more selected from the group consisting of cetyl alcohol, myristyl alcohol, stearyl alcohol, and behenyl alcohol;
- the hair cosmetic composition according to any one of ⁇ 1> to ⁇ 26>, which is preferably stearyl alcohol.
- the content of component (A) in the hair cosmetic composition is preferably 0.01% by mass or more and less than 0.50% by mass, more preferably 0.02% by mass or more and 0.30% by mass or less, and even more preferably is 0.03% by mass or more and 0.30% by mass or less, more preferably 0.03% by mass or more and 0.20% by mass or less, hair cosmetic according to any one of ⁇ 1> to ⁇ 27> Composition.
- the content of component (B) in the hair cosmetic composition is preferably 0.01% by mass or more and less than 0.50% by mass, more preferably 0.01% by mass or more and 0.30% by mass or less, and even more preferably is 0.01% by mass or more and 0.20% by mass or less, more preferably 0.015% by mass or more and 0.20% by mass or less, still more preferably 0.015% by mass or more and 0.15% by mass or less, still more
- the total content of component (A) and component (B) in the hair cosmetic composition is preferably 0.01% by mass or more and 0.9% by mass or less, more preferably 0.03% by mass or more and 0.9% by mass. % by mass or less, more preferably 0.05% by mass or more and 0.9% by mass or less, even more preferably 0.05% by mass or more and 0.5% by mass or less, still more preferably 0.05% by mass or more and 0.4% by mass.
- the hair cosmetic composition according to any one of ⁇ 1> and ⁇ 3> to ⁇ 29>, which is not more than % by mass.
- the ratio of the number of moles of cationic charge of component (A) to the number of moles of anionic charge of component (B) in the hair cosmetic composition is preferably 5/95 to 95/5, more preferably 10/ 90 to 90/10, more preferably 20/80 to 80/20, still more preferably 20/80 to 60/40, still more preferably 40/60 to 60/40, ⁇ 1> to ⁇ 30>
- the hair cosmetic composition according to any one of 1.
- the content of component (C) in the hair cosmetic composition is preferably 0.01% by mass or more and 5.0% by mass or less, more preferably 0.02% by mass or more and 5.0% by mass or less, and even more preferably is 0.03% by mass or more and 5.0% by mass or less, more preferably 0.03% by mass or more and 4.0% by mass or less, still more preferably 0.05% by mass or more and 3.0% by mass or less, still more Preferably 0.1% by mass or more and 2.0% by mass or less, more preferably 0.1% by mass or more and 1.0% by mass or less, still more preferably 0.1% by mass or more and 0.5% by mass or less ,
- the hair cosmetic composition according to any one of ⁇ 1> to ⁇ 31>.
- the mass ratio of the total content of component (A) and component (B) to the content of component (C) in the hair cosmetic composition [ ⁇ (A) + (B) ⁇ /(C)] is Preferably 0.01 to 30, more preferably 0.01 to 25, still more preferably 0.01 to 20, still more preferably 0.01 to 10, still more preferably 0.01 to 5.
- the content of component (D) in the hair cosmetic composition is preferably 0.1% by mass or more and 10% by mass or less, more preferably 0.2% by mass or more and 5.0% by mass or less, and still more preferably 0% by mass.
- the content of component (E) in the hair cosmetic composition is preferably 0.1% by mass or more and 15% by mass or less, more preferably 0.2% by mass or more and 10% by mass or less, and still more preferably 0.5% by mass.
- the hair cosmetic composition according to any one of ⁇ 1> to ⁇ 34> which is 1.0% by mass or more and 10% by mass or less, more preferably 1.0% by mass or more and 8.0% by mass or less.
- ⁇ 36> The hair cosmetic composition according to any one of ⁇ 1> to ⁇ 35>, further comprising an organic acid.
- the organic acid, other than component (B) is one or more selected from the group consisting of carboxylic acid compounds and sulfonic acid compounds.
- the organic acid is preferably a compound having a molecular weight of 500 or less, more preferably 200 or less.
- the organic acid is preferably one or more selected from the group consisting of aliphatic dicarboxylic acids, hydroxycarboxylic acids, and aromatic sulfonic acids, more preferably succinic acid, lactic acid, malic acid, glycolic acid, and p-toluene.
- ⁇ 36> to ⁇ 38> which is one or more selected from the group consisting of sulfonic acid and naphthalenesulfonic acid, more preferably one or more selected from the group consisting of succinic acid and lactic acid, and still more preferably lactic acid.
- a hair cosmetic composition according to any one of the above.
- the organic acid content in the hair cosmetic composition is preferably 0.01% by mass or more and 5.0% by mass or less, more preferably 0.02% by mass or more and 3.0% by mass or less, and still more preferably 0% by mass. .03% by mass or more and 3.0% by mass or less, more preferably 0.05% by mass or more and 3.0% by mass or less, still more preferably 0.1% by mass or more and 2.0% by mass or less, still more preferably 0.1% by mass or more and 1.5% by mass or less, more preferably 0.2% by mass or more and 1.5% by mass or less, still more preferably 0.3% by mass or more and 1.5% by mass or less, ⁇
- the water content in the hair cosmetic composition is preferably 10% by mass or more and 99% by mass or less, more preferably 20% by mass or more and 95% by mass or less,
- ⁇ 44> The hair cosmetic composition according to ⁇ 43>, wherein the component (F) is one or more selected from the group consisting of benzyl alcohol, phenoxyethanol, and 2-benzyloxyethanol, preferably benzyl alcohol.
- the content of component (F) in the hair cosmetic composition is preferably 0.1% by mass or more and 5.0% by mass or less, more preferably 0.2% by mass or more and 3.0% by mass or less, and even more preferably is 0.3% by mass or more and 2.0% by mass or less, the hair cosmetic composition according to ⁇ 43> or ⁇ 44>.
- ⁇ 46> The hair cosmetic composition according to any one of ⁇ 1> to ⁇ 45>, further comprising a non-aromatic polyol as component (G).
- the component (G) is one or more selected from the group consisting of 1,3-butylene glycol, glycerin, ethylene glycol, propylene glycol and dipropylene glycol, preferably the group consisting of 1,3-butylene glycol and dipropylene glycol.
- the hair cosmetic composition according to ⁇ 46> which is one or more selected from, more preferably dipropylene glycol.
- the content of component (G) in the hair cosmetic composition is preferably 0.1% by mass or more and 10% by mass or less, more preferably 0.2% by mass or more and 10% by mass or less, and still more preferably 0.5% by mass.
- the hair cosmetic composition according to ⁇ 46> or ⁇ 47> which is 5.0% by mass or less, more preferably 1.0% by mass or more and 3.0% by mass or less.
- H1 is an amino-modified silicone represented by the following general formula (I).
- each R 21 independently represents a methyl group or a hydroxy group
- each R 22 independently represents an alkyl group having 1 to 30 carbon atoms, a hydroxy group, or R 23 .
- R 23 is -R 24 -Z 1 (R 24 is a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms, and Z 1 is a primary to tertiary amino group-containing group or an ammonium group-containing group; ) represents a monovalent group represented by a represents a number of 0 or more and 3000 or less, and b represents a number of 1 or more and 3000 or less. ]
- the amino-modified silicone represented by the general formula (I) is one or more selected from the group consisting of amodimethicone, aminopropyl dimethicone, bis(aminopropyl)dimethicone, and bis(cetearyl)amodimethicone, preferably the following:
- the hair according to ⁇ 50> which is an amino-modified silicone represented by any one of general formulas (Ia) to (Id), more preferably an amino-modified silicone (amodimethicone) represented by the following general formula (Ia) cosmetic composition.
- a, b, c and R 24 are the same as defined above.
- the kinematic viscosity of component (H1) at 25° C. is preferably 20 mm 2 /s or more and 10,000 mm 2 /s or less, more preferably 100 mm 2 /s or more and 5,000 mm 2 /s or less, still more preferably 500 mm 2 / s. s or more and 2,000 mm 2 /s or less, the hair cosmetic composition according to any one of ⁇ 49> to ⁇ 51>.
- Si/AO is preferably 0.05 to 3.0, more preferably 0.1, where Si is the number of moles of silicon atoms in the component (H2) and AO is the average number of moles of alkylene oxide added 2.8 or less, more preferably 0.3 or more and 2.8 or less, still more preferably 0.5 or more and 2.6 or less, still more preferably 0.7 or more and 2.4 or less, ⁇ 49> ⁇
- the nitrogen content of the component (H2) is preferably 0.1% by mass or more and 2.5% by mass or less, more preferably 0.2% by mass or more and 2.0% by mass or less, and still more preferably 0.5% by mass.
- the hair cosmetic composition according to any one of ⁇ 49> to ⁇ 53> which is 1.8% by mass or less, more preferably 1.0% by mass or more and 1.5% by mass or less.
- the component (H2) is preferably an aminopolyether-modified silicone represented by the following general formula (II).
- R 31 represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms.
- R 32 represents either R 31 or E; E is -R 33 -Z 2 (R 33 is a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms, Z 2 is a primary to tertiary amino group-containing group or an ammonium group-containing group ) represents a monovalent group.
- Y represents an alkylene group having 1 to 6 carbon atoms.
- d is a number of 2 or more, e is a number of 1 or more, f is a number of 2 or more and 100 or less, and g is a number of 1 or more.
- m represents a number of 2 or more and 10 or less.
- the order of bonding between structural units in parentheses does not matter, and the form of bonding may be block or random.
- f C m H 2m O may be the same or different.
- a plurality of R 31 , R 32 , E and Y may be the same or different.
- the component (H) is preferably one or more selected from the group consisting of the amino-modified silicone represented by the general formula (I) and the aminopolyether-modified silicone represented by the general formula (II).
- the content of component (H) in the hair cosmetic composition is preferably 0.05% by mass or more and 5.0% by mass or less, more preferably 0.05% by mass or more and 2.0% by mass or less, and even more preferably is 0.1% by mass or more and 1.0% by mass or less, more preferably 0.1% by mass or more and 0.5% by mass or less, hair cosmetic according to any one of ⁇ 49> to ⁇ 58> Composition.
- Component (I) is selected from the group consisting of (a) silicone oils, (b) ester oils, (c) ether oils, (d) hydrocarbon oils, (e) higher fatty acids, and (f) waxes.
- the hair cosmetic composition according to ⁇ 60> which further preferably comprises dimethylpolysiloxane and lanolin fatty acid.
- the content of component (I) in the hair cosmetic composition is preferably 0.1% by mass or more and 10% by mass or less, more preferably 0.2% by mass or more and 5.0% by mass or less, and still more preferably 0% by mass.
- the hair cosmetic composition according to ⁇ 60> or ⁇ 61> which is 5% by mass or more and 5.0% by mass or less, more preferably 1.0% by mass or more and 3.0% by mass or less.
- the pH of the 5% aqueous solution of the hair cosmetic composition at 25°C is preferably 2.0 or more and 10.0 or less, more preferably 3.0 or more and 7.0 or less, and still more preferably 3.0 or more and 5.0.
- Step (1) Step of preparing a mixture A containing component (A), component (B), organic acid and water Step (2-1) oil phase components containing said mixture A and components (C) to (E) Step (2-2) of mixing an emulsion (I) by mixing an oil phase component containing components (C) to (E) and an aqueous phase component other than the mixture A to prepare an emulsion Step ⁇ 65> of preparing (II) and then mixing said mixture A
- the temperature during mixing in the step (1) is preferably 40° C. or higher and 90° C. or lower, more preferably 45° C. or higher and 90° C. or lower, still more preferably 50° C. or higher and 80° C. or lower, still more preferably 50° C. or higher and 70° C.
- the production method according to ⁇ 64> more preferably 50° C. or higher and 65° C. or lower.
- ⁇ 66> The production method according to ⁇ 64> or ⁇ 65>, wherein the mixing time in the step (1) is preferably 1 minute or longer, more preferably 3 minutes or longer, and preferably 1 hour or shorter.
- ⁇ 67> The production method according to any one of ⁇ 64> to ⁇ 66>, wherein the mixture A obtained in step (1) is in the form of a suspension.
- the amount of component (A) in the mixture A is preferably 0.01% by mass or more and less than 10% by mass, more preferably 0.03% by mass or more and less than 5% by mass, based on the total amount of 100% by mass of the mixture A.
- the amount of the component (B) in the mixture A is preferably 0.01% by mass or more and less than 5% by mass, more preferably 0.01% by mass or more and less than 3% by mass, based on the total amount of 100% by mass of the mixture A. , more preferably 0.02% by mass or more and less than 1% by mass, still more preferably 0.05% by mass or more and less than 0.3% by mass, any one of ⁇ 64> to ⁇ 68> manufacturing method.
- the amount of the organic acid in the mixture A is preferably 0.01% by mass or more and less than 10% by mass, more preferably 0.01% by mass or more and less than 5% by mass, based on the total amount of 100% by mass of the mixture A.
- the mass ratio of the total amount of component (A) and component (B) to the amount of organic acid [(A+B)/organic acid] is preferably 1/0.1 to 1/20, More preferably 1/0.1 to 1/15, still more preferably 1/0.20 to 1/10, still more preferably 1/0.20 to 1/8, still more preferably 1/0.22 to
- the amount of water in the mixture A is preferably 50% by mass or more and 99.97% by mass or less, more preferably 50% by mass or more and 99.8% by mass or less, still more preferably 60% by mass in the total amount of 100% by mass of the mixture A.
- the total content of component (A), component (B), organic acid and water in the mixture A is preferably 70% by mass or more, more preferably 80% by mass or more, still more preferably 90% by mass or more, and still more
- the pH of the mixture A at 25° C. is preferably 1.5 or more and 4.0 or less, more preferably 2.0 or more and 4.0 or less, still more preferably 2.0 or more and 3.2 or less, still more preferably 2
- the production method according to any one of ⁇ 64> to ⁇ 73> which is 0 or more and 3.0 or less.
- the temperature at which the mixture A and the oil phase component containing components (C) to (E) are mixed is preferably 40° C. or higher and 90° C. or lower, more preferably 45° C. or higher and 90° C. ° C. or lower, more preferably 50 ° C. or higher and 80 ° C. or lower, the production method according to any one of ⁇ 64> to ⁇ 74>.
- the mixing time of the mixture A and the oil phase component containing components (C) to (E) is preferably 1 minute or more, more preferably 3 minutes or more, preferably 1 minute or more.
- the production method according to any one of ⁇ 64> to ⁇ 75> which is equal to or less than an hour.
- the temperature at which the oil phase components containing the components (C) to (E) and the water phase components other than the mixture A are mixed is preferably 40° C. or higher and 90° C. or lower, more preferably. is 45° C. or higher and 90° C. or lower, more preferably 50° C. or higher and 80° C. or lower.
- the mixing time of the oil phase components containing components (C) to (E) and the aqueous phase components other than the mixture A is preferably 1 minute or longer, more preferably 3 minutes or longer.
- the temperature at which the emulsion (II) and the mixture A are mixed is preferably 10° C. or higher and 50° C. or lower, more preferably 20° C. or higher and 45° C. or lower.
- the mixing time of the emulsion (II) and the mixture A in the step (2-2) is preferably 1 minute or more, more preferably 3 minutes or more, and preferably 1 hour or less.
- ⁇ 81> The production method according to any one of ⁇ 64> to ⁇ 80>, wherein the method for producing the hair cosmetic composition comprises step (1) and step (2-1).
- pH measurement Water was added to the hair cosmetic composition (hair conditioner) of each example to obtain a 5% aqueous solution, and the pH at 25° C. was measured using a pH meter (F-51, manufactured by Horiba, Ltd.). All the pHs were 3.4.
- the storage stability of the hair conditioner of each example was evaluated by a cycle test.
- a cycle test was conducted in which the hair conditioner of each example was stored for 2 weeks in an environment where the temperature varied from 40°C to -28°C.
- a bleaching agent (a mixture of 7 mL of "Kao Awa Hair Bleach L” (liquid 1) and 14 mL of "Kao Awa Hair Color d” (liquid 2)) is applied to a Japanese hair tress with a length of 30 cm and a mass of 20 g. After standing for 20 minutes, it was thoroughly rinsed with warm water of 35 to 40°C. The above treatment was repeated four times to prepare a tress for evaluation of Japanese damaged hair. 1 mL of the hair conditioner of each example was applied to the evaluation tress and spread by hand. The feel at that time was evaluated by 5 expert panelists according to the following criteria, and the average value was used as the evaluation result. 5: Very smooth 4: Smooth 3: Slightly smooth 2: Same smoothness as when using a plain conditioner with the following composition 1: Immediately loses its presence and is not smooth
- [Plain conditioner composition] (mass%) Stealoxypropyl dimethylamine (*1) 0.9 Stearyl alcohol (*2) 3.0 Dipropylene glycol 0.5 benzyl alcohol 0.2 Lactic acid (*3) 1.1 Remaining amount of purified water Total 100.0 (* 1) Kao Corporation "Farmin DM-E80", active ingredient amount 90% by mass (* 2) Kao Corporation “Calcol 8098”, active ingredient amount 100% by mass (*3) PURAC Thailand Ltd. "PURAC ULTRAPURE 90”, active ingredient amount 90% by mass
- Example 1 (Preparation and evaluation of hair conditioner) Using the ingredients listed in Table 1, a hair conditioner was prepared by the following procedure. In a 500 mL beaker, 1.52 g of the component (A) polyquaternium-6 solution, 3 g of lactic acid (90% by mass), and 419.7 g of water are added, and a stirring device (mechanical stirrer with two propeller blades) is added. was used to heat and stir at 80°C. After confirming that a uniform solution was obtained, 0.37 g of sodium polyacrylate as the component (B) was added and mixed to obtain a mixture A that was a uniform suspension (step (1)). Next, a hair cosmetic composition (hair conditioner) was prepared by the following procedure.
- the component (I) oil agent (10.0 g of dimethicone and 5.0 g of lanolin fatty acid) and the remaining amount of 3.50 g (90% by mass) of lactic acid were added, and the liquid temperature was raised to 40%.
- the mixture was cooled with stirring to 500 mL of a hair conditioner (step (2-1)).
- evaluation was performed by the method described above.
- Table 1 shows the results.
- the compounding amount described in the table of the present example is the compounding amount (% by mass) of each component in its original state, and the "effective content" described in the table of the present example is converted to the amount of active ingredient. It is the content or compounding amount (% by mass) of each component.
- Examples 2-25, Comparative Examples 1-8 A hair conditioner was produced and evaluated in the same manner as in Example 1, except that the types and amounts of each component used in the preparation of the hair conditioner were changed as shown in Tables 1 to 3. The results are shown in Tables 1-3.
- MERQUAT 3940 POLYMER cationic charge density: 2.97 meq / g, Mw: 150,000, amount of active ingredient: 43% by mass *3 Polyquaternium-16 (vinylimidazolium trichloride/vinylpyrrolidone copolymer), BASF SE “Rubicut FC 550”, cationic charge density: 3.91 meq/g, Mw: 80,000, active ingredient content: 43 mass % *4 Polyquaternium-22 (dimethyldiallylammonium chloride/acrylic acid copolymer liquid), Lubrizol Advanced Materials, Inc.
- a hair cosmetic composition that gives a good feeling when applied to the hair, can suppress spreading of the hair under high humidity conditions, and has high stability.
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Abstract
Description
例えば特開昭53-139734号公報(特許文献1)には、溶剤媒質中に少なくとも一つのアニオン系ポリマーおよび少なくとも一つのカチオン系ポリマーを含むことを特徴とするケラチン物質の処理用組成物を用いることで、特に毛髪、皮膚または爪を含めることができる角質物質にアニオン系ポリマーを固定させることができる旨記載されている。また、上記効果が得られる理由として、アニオン系ポリマー及びカチオン系ポリマーのポリマー間の相互作用により形成される錯体(コンプレックス)が関係すると仮定されている。
成分(A):カチオン性ポリマー及び両性ポリマーからなる群から選ばれる1種以上のポリマー、
成分(B):アニオン性ポリマー、
成分(C):ポリグリセリン及びその誘導体、HLBが1以上5以下の、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、並びにグリセリン脂肪酸エステルからなる群から選ばれる1種以上のノニオン性化合物、
成分(D):カチオン性界面活性剤、及び、
成分(E):高級アルコール、
を含有し、前記成分(A)及び前記成分(B)の合計含有量が1.0質量%未満である、毛髪化粧料組成物。
例えば毛髪化粧料組成物の一種であるヘアコンディショナーにおいては、毛髪に塗布する際の感触が良好であること、処理後の毛髪が高湿度条件下でも広がらず、優れた耐湿性を有することなどが求められる。特に、高湿度条件下での毛髪の広がり抑制については、特許文献1,2にかかる従来技術では特段の効果が得られていなかった。
また、ポリイオンコンプレックスを含む組成物として、水中油型又は油中水型の乳化組成物の形態をとるものがあるが、これら乳化組成物においては経時安定性の改善が課題となっていた。とりわけ毛髪化粧料組成物においては、処理後の毛髪の感触を向上させるためにカチオン性界面活性剤、高級アルコール等を配合することがある。しかしながら、ポリイオンコンプレックスを含む乳化組成物にこれらの成分を配合すると安定性が低下しやすいという問題があった。
本発明の毛髪化粧料組成物(以下、単に「本発明の組成物」ともいう)は、
成分(A):カチオン性ポリマー及び両性ポリマーからなる群から選ばれる1種以上のポリマー、
成分(B):アニオン性ポリマー、
成分(C):ポリグリセリン及びその誘導体、HLBが1以上5以下の、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、並びにグリセリン脂肪酸エステルからなる群から選ばれる1種以上のノニオン性化合物、
成分(D):カチオン性界面活性剤、及び、
成分(E):高級アルコール、
を含有し、前記成分(A)及び前記成分(B)の合計含有量が1.0質量%未満である。
本発明の毛髪化粧料組成物は上記構成を有することにより、毛髪への塗布時の感触が良好で、高湿度条件下での毛髪の広がりを抑制でき、且つ安定性の高いものとなる。
なお、本明細書において「成分Xを含有する」とは、成分Xを配合することをも包含する。
本発明の毛髪化粧料組成物は、成分(A)と成分(B)とから形成されるポリイオンコンプレックスを含むものである。
ポリイオンコンプレックスは、成分(A)と成分(B)との化学的静電気的相互作用により形成される集合体である。該ポリイオンコンプレックスは水難溶性であり、該ポリイオンコンプレックスを含む毛髪化粧料組成物を毛髪に塗布することで疎水性皮膜を形成できる。この疎水性皮膜の形成により、毛髪への塗布時の感触を向上させるとともに、耐湿性が向上すると考えられる。
また、毛髪化粧料組成物中の成分(A)及び成分(B)の合計含有量を1.0質量%未満とすることで、ポリイオンコンプレックスを含む乳化組成物の形態であっても安定性が良好になると考えられる。
毛髪化粧料組成物の製品形態としては、ヘアシャンプー、ヘアリンス、ヘアコンディショナー、ヘアトリートメント(洗い流さないタイプを含む)、ヘアスタイリング剤等が挙げられる。これらの中でも、本発明の効果の有効性の観点から、好ましくはヘアコンディショナー、ヘアトリートメント、又はヘアスタイリング剤である。
以下、毛髪化粧料組成物に含まれる各成分について説明する。
成分(A)は、カチオン性ポリマー及び両性ポリマーからなる群から選ばれる1種以上の、成分(B)との相互作用によりポリイオンコンプレックスを形成し得るポリマーである。
成分(A)であるカチオン性ポリマーは、好ましくはカチオン性基を有し、且つアニオン性基及び両性基を実質的に有さないポリマーを意味する。「アニオン性基及び両性基を実質的に有さない」とは、カチオン性基に対するアニオン性基及び両性基のモル量が好ましくは0.1%以下であることをいう。
また成分(A)である両性ポリマーは、好ましくはカチオン性基及びアニオン性基を有するポリマーであって、該ポリマーの1%水溶液の25℃におけるpHが5.1未満であり、ポリマーの総電荷として正に帯電しているポリマーである。該pHは、pHメーターで測定することができる。
本明細書においてカチオン性基とはカチオン基、又は、イオン化されてカチオン基になり得る基であり、具体的には、第一級アミノ基、第二級アミノ基、第三級アミノ基、第四級アンモニウム基が挙げられる。
アニオン性基とはアニオン基、又は、イオン化されてアニオン基になり得る基であり、具体的には、カルボキシ基、スルホン酸基、リン酸基等の酸性基からなる群から選ばれる1種以上が挙げられ、好ましくはカルボキシ基、スルホン酸基から選ばれる1種以上、より好ましくはカルボキシ基である。アニオン性基の少なくとも一部は中和され、塩の状態になっていてもよい。
成分(A)のカチオン電荷密度は、(ポリマー1gあたりに含有されるカチオン性基のモル数)×1000(meq/g)から算出できる。
毛髪化粧料組成物において、成分(A)として2種以上のポリマーを用いてもよく、この場合の成分(A)のカチオン電荷密度は、それぞれのポリマーのカチオン電荷密度と配合量から加重平均して算出することにより求められる。
成分(A)の重量平均分子量は、ゲル浸透クロマトグラフィー(GPC)により測定できる。
第4級化ジアルキルアミノアルキル(メタ)アクリル酸塩重合体としては、ビニルピロリドン・N,N-ジメチルアミノエチルメタクリル酸ジエチル硫酸塩共重合体(ポリクオタニウム-11)、N,N-ジメチルアミノエチルメタクリル酸ジエチル硫酸塩・N,N-ジメチルアクリルアミド・ジメタクリル酸ポリエチレングリコール共重合体(ポリクオタニウム-52)等が挙げられる。
ジアリル第4級化アンモニウム塩重合体としては、塩化ジメチルジアリルアンモニウム重合体(ポリクオタニウム-6)、塩化ジメチルジアリルアンモニウム・アクリル酸共重合体(ポリクオタニウム-22)、塩化ジアリルジメチルアンモニウム・アクリルアミド共重合体(ポリクオタニウム-7)、アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体(ポリクオタニウム-39)等が挙げられる。
また、メタクリロイルエチルトリメチルアンモニウム塩重合体としては、塩化メタクリロイルエチルトリメチルアンモニウム重合体(ポリクオタニウム-37)、メタクリロイルエチルジメチルベタイン・塩化メタクリロイルエチルトリメチルアンモニウム・メタクリル酸メトキシポリエチレングリコール共重合体(ポリクオタニウム-49)、メタクリロイルエチルジメチルベタイン・塩化メタクリロイルエチルトリメチルアンモニウム・メタクリル酸2-ヒドロキシエチル共重合体(ポリクオタニウム-48)等が挙げられる。
成分(A)は、組成物の安定性、毛髪への塗布時の感触向上、及び、高湿度条件下における毛髪の広がり抑制の観点から、より好ましくは、第4級化ジアルキルアミノアルキル(メタ)アクリル酸塩重合体、ジアリル第4級化アンモニウム塩重合体、メタクリルアミドプロピルトリメチルアンモニウム塩重合体、メタクリロイルエチルトリメチルアンモニウム塩重合体、及びビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)からなる群から選ばれる1種以上、更に好ましくは、ジアリル第4級化アンモニウム塩重合体、メタクリルアミドプロピルトリメチルアンモニウム塩重合体、及びビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)からなる群から選ばれる1種以上、より更に好ましくは塩化ジメチルジアリルアンモニウム重合体(ポリクオタニウム-6)、塩化ジメチルジアリルアンモニウム・アクリル酸共重合体(ポリクオタニウム-22)、アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体(ポリクオタニウム-39)、アクリル酸・アクリル酸メチル・塩化メタクリルアミドプロピルトリメチルアンモニウム共重合体(ポリクオタニウム-47)、及びビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)からなる群から選ばれる1種以上、より更に好ましくは塩化ジメチルジアリルアンモニウム重合体(ポリクオタニウム-6)、アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体(ポリクオタニウム-39)、及びビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)からなる群から選ばれる1種以上である。
塩化ジメチルジアリルアンモニウム重合体(ポリクオタニウム-6)のカチオン電荷密度は、より更に好ましくは2.0meq/g以上、より更に好ましくは2.5meq/g以上であり、より更に好ましくは6.5meq/g以下である。また重量平均分子量は、更に好ましくは10,000以上、20万以下である。
塩化ジメチルジアリルアンモニウム・アクリル酸共重合体(ポリクオタニウム-22)のカチオン電荷密度は、より更に好ましくは2.0meq/g以上、より更に好ましくは3.0meq/g以上、より更に好ましくは4.0meq/g以上であり、より更に好ましくは6.5meq/g以下、より更に好ましくは6.0meq/g以下である。また重量平均分子量は、更に好ましくは20,000以上、より更に好ましくは50,000以上、より更に好ましくは10万以上、より更に好ましくは20万以上、より更に好ましくは30万以上であり、更に好ましくは100万以下、より更に好ましくは60万以下、より更に好ましくは50万以下である。
アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体(ポリクオタニウム-39)のカチオン電荷密度は、より更に好ましくは2.0meq/g以上、より更に好ましくは2.5meq/g以上であり、より更に好ましくは6.5meq/g以下、より更に好ましくは5.0meq/g以下、より更に好ましくは4.0meq/g以下である。また重量平均分子量は、更に好ましくは20,000以上、より更に好ましくは50,000以上、より更に好ましくは10万以上であり、更に好ましくは100万以下、より更に好ましくは60万以下、より更に好ましくは50万以下、より更に好ましくは30万以下である。
アクリル酸・アクリル酸メチル・塩化メタクリルアミドプロピルトリメチルアンモニウム共重合体(ポリクオタニウム-47)のカチオン電荷密度は、より更に好ましくは2.0meq/g以上、より更に好ましくは2.5meq/g以上であり、より更に好ましくは6.5meq/g以下、より更に好ましくは5.0meq/g以下、より更に好ましくは4.5meq/g以下である。また重量平均分子量は、更に好ましくは20万以上、より更に好ましくは50万以上、より更に好ましくは100万以上である。
ビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)のカチオン電荷密度は、より更に好ましくは2.0meq/g以上であり、より更に好ましくは6.5meq/g以下、より更に好ましくは5.0meq/g以下、より更に好ましくは4.5meq/g以下である。また重量平均分子量は、更に好ましくは20,000以上、より更に好ましくは50,000以上であり、更に好ましくは15万以下である。
成分(B)は、成分(A)との相互作用によりポリイオンコンプレックスを形成し得るポリマーである。本明細書において「アニオン性ポリマー」とは、アニオン性基を有し、且つカチオン性基及び両性基を実質的に有さないポリマーを意味する。「カチオン性基及び両性基を実質的に有さない」とは、アニオン性基に対するカチオン性基及び両性基のモル量が好ましくは0.1%以下であることをいう。
成分(B)のアニオン電荷密度は、(ポリマー1gあたりに含有されるアニオン性基のモル数)×1000(meq/g)から算出できる。なお、成分(B)のアニオン性基の少なくとも一部が中和塩になっている場合、上記アニオン性基のモル数には、塩の状態をとっているアニオン性基のモル数も含めるものとする。
毛髪化粧料組成物は、成分(B)として2種以上のポリマーを用いてもよく、この場合の成分(B)のアニオン電荷密度は、それぞれのポリマーのアニオン電荷密度と配合量から加重平均して算出することにより求められる。
上記のうち、カルボキシ基含有セルロース誘導体としては、カルボキシメチルセルロース、カルボキシエチルセルロース、カルボキシメチルエチルセルロース、又はこれらの塩が挙げられる。
(メタ)アクリル酸系共重合体としては、(メタ)アクリル酸/マレイン酸共重合体、(メタ)アクリル酸/イタコン酸共重合体、(メタ)アクリル酸/フマル酸共重合体、(メタ)アクリル酸/酢酸ビニル共重合体、(メタ)アクリル酸/2-ヒドロキシエチルメタクリレート共重合体、(メタ)アクリル酸/(メタ)アクリル酸アルキルエステル共重合体、アクリル酸/アクリル酸アルキルエステル/(N-アルキル)アクリルアミド共重合体、(メタ)アクリル酸/(メタ)アクリル酸アルキルエステル共重合体、(アクリル酸/ジアセトンアクリルアミド)コポリマーAMP、(アクリル酸/アクリル酸アルキルエステル/ジアセトンアクリルアミド)コポリマーAMP、(メタ)アクリル酸/アクリル酸アルキルエステル/ポリビニルピロリドン共重合体、アクリル酸2-エチルヘキシル・アクリル酸メチル・アクリル酸・メタクリル酸グリシジル共重合体、又はこれらの塩が挙げられる。
上記(メタ)アクリル酸/(メタ)アクリル酸アルキルエステル共重合体としては、(アクリル酸/アクリル酸オクチル)共重合体、(アクリル酸/アクリル酸ステアリル)共重合体等の、(メタ)アクリル酸と、炭素数1以上24以下、好ましくは8以上22以下のアルキル基を有する、(メタ)アクリル酸アルキルエステルとの共重合体が挙げられる。
毛髪化粧料組成物は、毛髪への塗布時の感触向上、及び、高湿度条件下における毛髪の広がり抑制の観点から、成分(C)として、ポリグリセリン及びその誘導体、HLBが1以上5以下の、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、並びにグリセリン脂肪酸エステルからなる群から選ばれる1種以上のノニオン性化合物を含有する。成分(C)が毛髪内部に浸透することで毛髪の改質効果を奏し、毛髪への塗布時の感触、及び高湿度条件下における毛髪の広がり抑制効果がより向上すると考えられる。
以下の記載において、ポリグリセリン及びその誘導体を「成分(C1)」、HLBが1以上5以下の、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、及びグリセリン脂肪酸エステルを「成分(C2)」ともいう。
本明細書において、ポリグリセリンとはグリセリンの縮合物であり、2量体以上の縮合物を意味する。ポリグリセリンは、30量体以上の縮合物も知られており、上限は特にないが、毛髪内部への浸透性向上の観点から、ポリグリセリンの構成体は20量体以下が好ましく、10量体以下から構成されるポリグリセリンがより好ましい。
ポリグリセリンは、毛髪内部への浸透性向上の観点から、トリグリセリンの濃度とテトラグリセリンの濃度との合計(p)が好ましくは40質量%以上であり、より好ましくは50質量%以上、更に好ましくは60質量%以上であり、また、100質量%以下である。
ここで、トリグリセリンとは、3分子のグリセリンが脱水縮合によって直鎖状、環状又は分岐状に結合した3量体であり、テトラグリセリンとは、4分子のグリセリンが脱水縮合によって直鎖状、環状又は分岐状に結合した4量体である。
ポリグリセリン中の各成分の質量比は、測定対象のポリグリセリン混合物に対してトリメチルシリル化を行いポリグリセリン誘導体とし、その上でガスクロマトグラフィー(GC)法にて分離定量を行い、面積法にて求めることができる。
ポリグリセリンアルキルエーテル、ポリグリセリンジアルキルエーテルにおけるアルキル基、及び、ポリグリセリン脂肪酸エステルにおける脂肪酸の炭素数は、毛髪内部への浸透性向上の観点から、好ましくは炭素数8以上22以下、より好ましくは炭素数12以上22以下、更に好ましくは炭素数12以上18以下である。
成分(C2)として用いられるソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、及びグリセリン脂肪酸エステルは、ノニオン性界面活性剤の1種である。成分(C2)は、毛髪内部への浸透性向上の観点から、HLBが1以上5以下であり、好ましくは1.5以上4.5以下、より好ましくは1.5以上3.5以下である。
HLB(親水性親油性バランス;Hydrophile-Lypophile Balance)値は、界面活性剤の水及び油への親和性を示す値であり、グリフィン法により次式から求めることができる。
HLB=20×[(界面活性剤中に含まれる親水性基の分子量)/(界面活性剤の分子量)]
上記「親水性基」としては、例えば、ヒドロキシ基及びエチレンオキシ基が挙げられる。
上記の中でも、毛髪への塗布時の感触向上、及び、高湿度条件下における毛髪の広がり抑制の観点から、成分(C)としては、好ましくはポリグリセリン、HLBが1以上5以下のソルビタン脂肪酸エステル、及び、HLBが1以上5以下のグリセリン脂肪酸エステルからなる群から選ばれる1種以上であり、より好ましくはポリグリセリン、HLBが1以上5以下のオレイン酸ソルビタン、HLBが1以上5以下のステアリン酸グリセリル、及びHLBが1以上5以下のイソステアリン酸グリセリルからなる群から選ばれる1種以上である。
毛髪化粧料組成物は、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、さらに成分(D)としてカチオン性界面活性剤を含有する。
カチオン性界面活性剤としては、(i)アルキルトリメチルアンモニウム塩、(ii)アルコキシアルキルトリメチルアンモニウム塩、(iii)ジアルキルジメチルアンモニウム塩、(iv)アルキルアミドアルキルトリメチルアンモニウム塩、(v)アルキルジメチルアミン及びその塩、(vi)アルコキシアルキルジメチルアミン及びその塩、並びに、(vii)アルキルアミドアルキルジメチルアミン及びその塩等が挙げられる。
(ii)アルコキシアルキルトリメチルアンモニウム塩としては、好ましくは炭素数12以上22以下、より好ましくは炭素数16以上20以下のアルコキシ基を有するアルコキシアルキルトリメチルアンモニウム塩が挙げられ、具体的には、ステアロキシプロピルトリメチルアンモニウムクロリド、ステアロキシエチルトリメチルアンモニウムクロリド、ステアロキシヒドロキシプロピルトリメチルアンモニウムクロリド等が挙げられる。
(iii)ジアルキルジメチルアンモニウム塩としては、好ましくは炭素数12以上22以下、より好ましくは炭素数16以上20以下のアルキル基を有するジアルキルジメチルアンモニウム塩が挙げられ、具体的には、ジステアリルジメチルアンモニウムクロリド等が挙げられる。
(iv)アルキルアミドアルキルトリメチルアンモニウム塩としては、アルキルアミド部分のアルキル炭素数が、好ましくは11以上21以下、より好ましくは13以上19以下であるアルキルアミドアルキルトリメチルアンモニウム塩が挙げられ、具体的にはパルミタミドプロピルトリメチルアンモニウムクロリド(パルミタミドプロピルトリモニウムクロリド)等が挙げられる。
(v)アルキルジメチルアミン及びその塩におけるアルキル基、並びに(vi)アルコキシアルキルジメチルアミン及びその塩におけるアルコキシ基は、好ましくは炭素数12以上22以下、より好ましくは炭素数16以上20以下である。
(vii)アルキルアミドアルキルジメチルアミン及びその塩におけるアルキルアミド部分のアルキル炭素数は、好ましくは11以上21以下、より好ましくは15以上19以下である。
(v)~(vii)のアミンの塩としては、有機酸又は無機酸による塩が挙げられる。有機酸としては、例えば、酢酸、プロピオン酸等のモノカルボン酸;マロン酸、コハク酸、グルタル酸、アジピン酸、マレイン酸、フマル酸、フタル酸等のジカルボン酸;ポリグルタミン酸等のポリカルボン酸;グリコール酸、乳酸、ヒドロキシアクリル酸、グリセリン酸、リンゴ酸、酒石酸、クエン酸等のヒドロキシカルボン酸;グルタミン酸、アスパラギン酸等の酸性アミノ酸等が挙げられる。無機酸としては、例えば、塩酸、硫酸、リン酸等が挙げられる。これらの中では、有機酸が好ましく、ジカルボン酸、ヒドロキシカルボン酸、及び酸性アミノ酸からなる群から選ばれる1種以上がより好ましい。ジカルボン酸としてはマレイン酸及びコハク酸からなる群から選ばれる1種以上がより好ましい。ヒドロキシカルボン酸としてはグリコール酸、乳酸及びリンゴ酸からなる群から選ばれる1種以上がより好ましい。酸性アミノ酸としてはグルタミン酸がより好ましい。
上記の中でも、成分(D)としては、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、好ましくは(i)アルキルトリメチルアンモニウム塩、(ii)アルコキシアルキルトリメチルアンモニウム塩、(iii)ジアルキルジメチルアンモニウム塩、(iv)アルキルアミドアルキルトリメチルアンモニウム塩、(v)アルキルジメチルアミン及びその塩、(vi)アルコキシアルキルジメチルアミン及びその塩、並びに、(vii)アルキルアミドアルキルジメチルアミン及びその塩からなる群から選ばれる1種以上であり、より好ましくは、(i)アルキルトリメチルアンモニウム塩、(ii)アルコキシアルキルトリメチルアンモニウム及び(v)アルキルジメチルアミン及びその塩からなる群から選ばれる1種以上、更に好ましくはベヘニルトリメチルアンモニウムクロリド、ステアロキシプロピルトリメチルアンモニウムクロリド、ステアロキシエチルトリメチルアンモニウムクロリド、ステアロキシヒドロキシプロピルトリメチルアンモニウムクロリド、N,N-ジメチル-3-ヘキサデシルオキシプロピルアミン又はその乳酸塩、及びN,N-ジメチル-3-オクタデシルオキシプロピルアミン(ステアロキシプロピルジメチルアミン)又はその乳酸塩からなる群から選ばれる1種以上、より更に好ましくはN,N-ジメチル-3-オクタデシルオキシプロピルアミン(ステアロキシプロピルジメチルアミン)又はその乳酸塩からなる群から選ばれる1種以上である。
毛髪化粧料組成物は、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、さらに成分(E)として高級アルコールを含有する。
高級アルコールとしては、炭素数12以上、好ましくは炭素数12以上22以下の脂肪族1価アルコールが挙げられる。該高級アルコールとしては、ラウリルアルコール、セチルアルコール、ミリスチルアルコール、オレイルアルコール、ステアリルアルコール、イソステアリルアルコール、2-オクチルドデカノール、ベヘニルアルコール、及び、セトステアリルアルコールからなる群から選ばれる1種以上が挙げられる。
上記の中でも、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、好ましくはセチルアルコール、ミリスチルアルコール、ステアリルアルコール、及びベヘニルアルコールからなる群から選ばれる1種以上であり、より好ましくはステアリルアルコールである。
また、毛髪化粧料組成物がヘアリンス、ヘアコンディショナー、ヘアトリートメント、又はヘアスタイリング剤である場合には、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、芳香族アルコール、非芳香族ポリオール、アミノ変性シリコーン及びアミノポリエーテル変性シリコーンからなる群から選ばれる1種以上の変性シリコーン、並びに油剤からなる群から選ばれる1種以上を含有することが好ましく、これらすべてを含有することがより好ましい。
有機酸は、毛髪化粧料組成物中でポリイオンコンプレックスを安定して形成させることに寄与する。
有機酸としては、成分(B)以外の、カルボン酸系化合物、スルホン酸系化合物が挙げられ、好ましくは分子量が500以下、より好ましくは200以下の化合物である。
スルホン酸系化合物としては、メタンスルホン酸、エタンスルホン酸等の脂肪族スルホン酸;p-トルエンスルホン酸、ナフタレンスルホン酸等の芳香族スルホン酸;等が挙げられ、これらのうち1種又は2種以上を用いることができる。
なお有機酸は、配合時には、少なくとも一部が有機酸塩の状態であってもよい。有機酸の塩としては、毛髪化粧料組成物等に用いる観点、及び入手容易性の観点から、有機酸のアルカリ金属塩又はアルカリ金属塩が好ましく、アルカリ金属塩がより好ましく、ナトリウム塩及びカリウム塩からなる群から選ばれる1種以上が更に好ましく、ナトリウム塩がより更に好ましい。
有機酸及び有機酸塩の総量中の有機酸塩の割合は、ポリイオンコンプレックスの形成しやすさ、組成物の安定性、毛髪への塗布時の感触向上、及び、高湿度条件下における毛髪の広がり抑制の観点から、好ましくは50質量%以下、より好ましくは20質量%以下、更に好ましくは5質量%以下であり、0質量%であってもよい。ここでいう有機酸塩の割合(質量%)は、有機酸に換算した質量%を意味する。
毛髪化粧料組成物に用いる水としては、脱イオン水又は蒸留水が好ましい。なお、組成物の安定性を損なわない範囲で、次亜塩素酸等で殺菌した水道水、地下水等を用いてもよい。
毛髪化粧料組成物は、成分(C)の毛髪内部への浸透を促進して、毛髪への塗布時の感触及び処理後の毛髪の感触をより向上させる観点から、さらに成分(F)として、芳香族アルコールを含有することが好ましい。本明細書において芳香族アルコールとは、好ましくは芳香環を有する1価アルコールである。
成分(F)として用いられる芳香族アルコールとしては、ベンジルアルコール、フェノキシエタノール、2-ベンジルオキシエタノール等が挙げられ、これらは1種又は2種以上を用いることができる。
上記の中でも、成分(C)の毛髪内部への浸透を促進して、毛髪への塗布時の感触及び処理後の毛髪の感触をより向上させる観点から、好ましくはベンジルアルコールである。
毛髪化粧料組成物は、成分(C)の毛髪内部への浸透を促進して、毛髪への塗布時の感触及び処理後の毛髪の感触をより向上させる観点、並びに保湿性向上の観点から、さらに成分(G)として、非芳香族ポリオールを含有することが好ましい。
成分(G)として用いられる非芳香族ポリオールとしては、1,3-ブチレングリコール、エチレングリコール、プロピレングリコール、ジプロピレングリコール等の、炭素数6以下の低分子ジオール及びトリオール等が挙げられる。これらは1種又は2種以上を用いることができる。
上記の中でも、成分(C)の毛髪内部への浸透を促進して、毛髪への塗布時の感触及び処理後の毛髪の感触をより向上させる観点、並びに保湿性向上の観点から、好ましくは1,3-ブチレングリコール及びジプロピレングリコールからなる群から選ばれる1種以上であり、より好ましくはジプロピレングリコールである。
成分(H)は、アミノ変性シリコーン(以下「成分(H1)」ともいう)及びアミノポリエーテル変性シリコーン(以下「成分(H2)」ともいう)からなる群から選ばれる1種以上の変性シリコーンである。毛髪化粧料組成物に成分(H)を含有させることにより、高湿度条件下における毛髪の広がり抑制効果をより向上させることができると考えられる。
本明細書においてアミノ変性シリコーンとは、アミノ基を有し、且つポリエーテル構造を有さないシリコーンを意味する。成分(H1)としては、例えば下記一般式(I)で表されるアミノ変性シリコーンが挙げられる。
〔式中、R21はそれぞれ独立に、メチル基又はヒドロキシ基を示し、R22はそれぞれ独立に、炭素数1以上30以下のアルキル基、ヒドロキシ基、又はR23を示す。R23は-R24-Z1(R24は単結合、又は炭素数1以上20以下の2価の炭化水素基を示し、Z1は1~3級アミノ基含有基又はアンモニウム基含有基を示す。)で表される1価の基を示す。aは0以上3000以下、bは1以上3000以下の数を示す。〕
R23は-R24-Z1で表される1価の基であり、R24は好ましくは炭素数1以上20以下の2価の炭化水素基、より好ましくは炭素数1以上20以下のアルキレン基、更に好ましくは炭素数1以上6以下の直鎖又は分岐鎖のアルキレン基、より更に好ましくはメチレン基、エチレン基、トリメチレン基、プロピレン基、テトラメチレン基、又はヘキサメチレン基、より更に好ましくはトリメチレン基又はプロピレン基である。
Z1は1~3級アミノ基含有基又はアンモニウム基含有基であり、-N(R25)2、-NR25(CH2)cN(R26)2、又は-NR25(CH2)cN(R26)CO-R27で示されるアミノ基含有基であることが好ましい。ここで、R25及びR26はそれぞれ独立に水素原子又は炭素数1以上3以下のアルキル基を示し、好ましくは水素原子又はメチル基である。R27は炭素数1以上3以下のアルキル基を示す。cは1以上6以下の数を示し、好ましくは2以上4以下の数である。
〔式中、a、b、c及びR24は、前記と同じである。〕
成分(H1)は1種又は2種以上を用いることができる。高湿度条件下における毛髪の広がり抑制効果をより向上させる観点から、成分(H1)としては、上記一般式(Ia)で表されるアミノ変性シリコーン(アモジメチコン)がより好ましい。
成分(H1)の動粘度は、25℃において、JIS Z8803:2011に規定されている“液体の粘度測定方法”、又はASTM D 445-46Tに準拠して測定される値であり、例えば、ウベローデ粘度計を用いて測定できる。
本明細書においてアミノポリエーテル変性シリコーンとは、アミノ基とポリエーテル構造とを有するシリコーンを意味する。
成分(H2)におけるポリエーテル構造は、高湿度条件下における毛髪の広がり抑制効果の観点、及び入手性の観点から、好ましくはポリオキシアルキレン基である。
成分(H2)は、高湿度条件下における毛髪の広がり抑制効果をより向上させる観点から、成分(H2)中のケイ素原子のモル数をSi、アルキレンオキシドの平均付加モル数をAOとした場合、Si/AOが、好ましくは0.05以上、より好ましくは0.1以上、更に好ましくは0.3以上、より更に好ましくは0.5以上、より更に好ましくは0.7以上であり、また、好ましくは3.0以下、より好ましくは2.8以下、更に好ましくは2.6以下、より更に好ましくは2.4以下である。そして、成分(H2)のSi/AOは、好ましくは0.05以上3.0以下、より好ましくは0.1以上2.8以下、更に好ましくは0.3以上2.8以下、より更に好ましくは0.5以上2.6以下、より更に好ましくは0.7以上2.4以下である。
Si/AOは、1H-NMR測定により測定される、ケイ素に結合した水素原子及び炭化水素基のHの積分値と、オキシアルキレン基のHの積分値とから算出できる。
〔式(II)中、R31は水素原子又は炭素数1以上6以下の1価の炭化水素基を示す。R32はR31又はEのいずれかを示す。Eは-R33-Z2(R33は単結合、又は炭素数1以上20以下の2価の炭化水素基を示し、Z2は1~3級アミノ基含有基又はアンモニウム基含有基を示す。)で表される1価の基を示す。Yは炭素数1以上6以下のアルキレン基を示す。
dは2以上の数、eは1以上の数、fは2以上100以下の数、gは1以上の数を示す。mは2以上10以下の数を示す。括弧内の構造単位同士の結合順序は問わず、結合形態はブロック状でもランダム状でもよい。f個のCmH2mOは同一でも異なっていてもよい。また、複数個のR31、R32、E及びYは同一でも異なっていてもよい。〕
なお、成分(H2)が一般式(II)で表されるアミノポリエーテル変性シリコーンである場合、前記Si/AOは(d+e+1)/fで表される。
R33は好ましくは炭素数1以上20以下の2価の炭化水素基、より好ましくは炭素数1以上20以下のアルキレン基、更に好ましくは炭素数1以上6以下の直鎖又は分岐鎖のアルキレン基、より更に好ましくはメチレン基、エチレン基、トリメチレン基、プロピレン基、テトラメチレン基、又はヘキサメチレン基、より更に好ましくはトリメチレン基又はプロピレン基である。
成分(H2)の動粘度は、成分(H1)と同様の方法で測定できる。
上記の中でも、成分(H)としては、高湿度条件下における毛髪の広がり抑制効果をより向上させる観点から、好ましくは、前記一般式(I)で表されるアミノ変性シリコーン及び前記一般式(II)で表されるアミノポリエーテル変性シリコーンからなる群から選ばれる1種以上であり、より好ましくは、前記一般式(Ia)で表されるアミノ変性シリコーン及び前記一般式(IIa)で表されるアミノポリエーテル変性シリコーンからなる群から選ばれる1種以上である。
毛髪化粧料組成物は、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、さらに成分(I)として、成分(E)及び成分(H)以外の油剤を含有することが好ましい。
油剤としては、(a)シリコーン油、(b)エステル油、(c)エーテル油、(d)炭化水素油、(e)高級脂肪酸、(f)ロウ類等が挙げられ、これらのうち1種又は2種以上を用いることができる。
成分(H)以外の変性シリコーンとしては、ポリエーテル変性シリコーン、グリセリル変性シリコーン、カルボキシ変性シリコーン、脂肪酸変性シリコーン、アルコール変性シリコーン、脂肪族アルコール変性シリコーン、エポキシ変性シリコーン、フッ素変性シリコーン、アルキル変性シリコーン等が挙げられる。
上記の中でも、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、(a)シリコーン油としては、ジメチルポリシロキサン、ジメチコノール、メチルフェニルポリシロキサン、及び成分(H)以外の変性シリコーンからなる群から選ばれる1種以上が好ましく、ジメチルポリシロキサン、ジメチコノール、及びポリエーテル変性シリコーンからなる群から選ばれる1種以上がより好ましく、ジメチルポリシロキサンが更に好ましい。
R1-COO-R2 (1)
一般式(1)において、R1は、水酸基が置換していてもよく、炭素数1以上25以下の直鎖又は分岐鎖のアルキル基又はアルケニル基、又は炭素数6以上24以下の芳香族含有炭化水素基を示し、R2は、炭素数1以上30以下の直鎖又は分岐鎖のアルキル基又はアルケニル基を示す。
R1が芳香族含有炭化水素基の場合、炭素数は、好ましくは6以上であり、そして、好ましくは22以下、より好ましくは20以下である。
R2の炭素数は、好ましくは2以上であり、そして、好ましくは28以下、より好ましくは24以下、更に好ましくは20以下である。
より更に好ましくは、一般式(1)において、R1が炭素数7以上17以下の直鎖又は分岐鎖アルキル基であり、R2が炭素数2以上24以下の直鎖又は分岐鎖アルキル基であるエステルである。
R3-COO-(AO)n-R4 (2)
一般式(2)において、R3は、水酸基が置換していてもよく、炭素数1以上25以下の直鎖又は分岐鎖のアルキル基又はアルケニル基を示し、R4は炭素数6以上24以下の芳香族含有炭化水素基を示す。AOは、炭素数2以上4以下のアルキレンオキシ基を示し、nは1以上50以下の平均付加モル数を表す。
R3は、好ましくは炭素数が7以上であり、そして、好ましくは23以下、より好ましくは21以下、更に好ましくは19以下のアルキル基である。
R4は、好ましくは炭素数が6以上であり、そして、好ましくは22以下、より好ましくは20以下、更に好ましくは18以下の芳香族含有炭化水素基、より更に好ましくはベンジル基である。
AO基は、好ましくはプロピレンオキシ基であり、nは、好ましくは1以上10以下、より好ましくは1以上5以下である。
一般式(2)で表されるエステルの具体例としては、ミリスチン酸とベンジルアルコールのプロピレンオキシド3モル付加体とのエステル(クローダ社製「クロダモルSTS」)、2-エチルヘキサン酸とベンジルアルコールのプロピレンオキシド3モル付加体とのエステル(クローダ社製「クロダモルSFX」)等が挙げられる。
R5-(OCOR6)p (3)
一般式(3)において、R5は多価アルコール残基を示し、好ましくは炭素数2以上10以下の炭化水素基であり、R6は炭素数1以上25以下の1価カルボン酸残基を示し、pは2以上10以下の整数を示す。
なお、R5はエーテル結合を有してもよいが、好ましくは炭素数2以上10以下の直鎖又は分岐鎖の炭化水素基である。また、pは前記多価アルコールが有するヒドロキシ基と同じ数である。
R6は、好ましくは炭素数が7以上であり、そして、前記と同様の観点から、好ましくは23以下、より好ましくは21以下、更に好ましくは19以下のアルキル基である。
より更に好ましくは、一般式(3)において、R5がグリセリン残基又はペンタエリスリトール残基であり、R6が炭素数7以上19以下のアルキル基であるエステルである。
天然油脂としてはアボカド油、オリーブ油、ゴマ油、コメヌカ油、サフラワー油、ダイズ油、トウモロコシ油、ナタネ油、ヒマシ油、綿実油、ミンク油等のトリグリセリドが挙げられる。
R7-(COOR8)q (4)
一般式(4)において、R7は炭素数2以上10以下の多価カルボン酸残基であり、R8は炭素数1以上24以下の1価アルコール残基を示し、qは2以上10以下の整数である。また、qは前記多価カルボン酸が有するカルボキシ基と同じ数である。
R8は、好ましくは炭素数3以上、より好ましくは6以上であり、そして、前記と同様の観点から、好ましくは22以下、より好ましくは20以下、更に好ましくは18以下である。
より更に好ましくは、一般式(4)において、R7がトリメリット酸残基であり、R8が炭素数6以上18以下の分岐鎖アルキル基であるエステルである。
R9-O-R10 (5)
一般式(5)において、R9及びR10は、各々独立に、炭素数6以上22以下の直鎖又は分岐鎖のアルキル基又はアルケニル基、又は炭素数6以上24以下の芳香族炭化水素基を示す。
R9及びR10は、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、好ましくはアルキル基であり、その炭素数は、好ましくは8以上であり、好ましくは18以下、より好ましくは16以下、さらに好ましくは12以下である。
一般式(6)において、R11は炭素数6以上22以下のアルキル基又はアルケニル基を示し、POはプロピレンオキシ基を示し、EOはエチレンオキシ基を示す。rは0.1以上15以下の平均付加モル数を示し、sは0以上10以下の平均付加モル数を示す。sが0でない場合、PO及びEOの付加形式は、ランダムであってもブロックであってもよい。
R11の炭素数は、好ましくは8以上であり、そして、好ましくは20以下、より好ましくは18以下、更に好ましくは12以下である。
平均付加モル数rは、毛髪への塗布時の感触、及び処理後の毛髪の感触をより向上させる観点から、好ましくは1以上、より好ましくは2以上、更に好ましくは3以上であり、そして、好ましくは13以下、より好ましくは10以下であり、平均付加モル数sは、好ましくは5以下、より好ましくは1以下、更に好ましくは0である。
一般式(6)で表されるポリオキシアルキレンアルキルエーテル化合物としては、ポリプロピレングリコール、プロピレンオキシ基の平均付加モル数rが3以上10以下である、ポリオキシプロピレンオクチルエーテル、ポリオキシプロピレンデシルエーテル、及びポリオキシプロピレンラウリルエーテルからなる群から選ばれる1種以上が好ましい。
毛髪化粧料組成物中の各成分の含有量又は配合量は、組成物の安定性、毛髪への塗布時の感触向上、及び、高湿度条件下における毛髪の広がり抑制の観点から、好ましくは下記の通りである。
但し、毛髪化粧料組成物が成分(D)として(v)アルキルジメチルアミン及びその塩、(vi)アルコキシアルキルジメチルアミン及びその塩、並びに、(vii)アルキルアミドアルキルジメチルアミン及びその塩のいずれかを含む場合には、毛髪化粧料組成物中の有機酸の含有量は5.0質量%を超える量であってよい。有機酸は上記アミンの対アニオンとして存在することで、毛髪化粧料組成物の安定性向上、及び、毛髪への塗布時の感触向上が見込まれるためである。
毛髪化粧料組成物を毛髪に塗布した際の感触を良好にする観点から、毛髪化粧料組成物の5%水溶液の25℃におけるpHは、好ましくは2.0以上、より好ましくは3.0以上であり、また、好ましくは10.0以下、より好ましくは7.0以下、更に好ましくは5.0以下である。そして、毛髪化粧料組成物の5%水溶液の25℃におけるpHは、好ましくは2.0以上10.0以下、より好ましくは3.0以上7.0以下、更に好ましくは3.0以上5.0以下である。
上記pHは、毛髪化粧料組成物に水を加えて5%水溶液とし、25℃において、pHメーターを用いて測定することができる。
毛髪化粧料組成物の製造方法は特に制限されないが、毛髪化粧料組成物が乳化組成物である場合に、毛髪への塗布時の感触が良好で、高湿度条件下での毛髪の広がりを抑制でき、且つ安定性の高い毛髪化粧料組成物を製造できるという観点から、下記工程(1)と、下記工程(2-1)又は工程(2-2)のいずれかとを有する方法により製造することが好ましい。
工程(1) 成分(A)、成分(B)、有機酸及び水を含む混合物Aを調製する工程
工程(2-1) 前記混合物Aと、成分(C)~(E)を含む油相成分とを混合して乳化物(I)を調製する工程
工程(2-2) 成分(C)~(E)を含む油相成分と、前記混合物A以外の水相成分とを混合して乳化物(II)を調製し、次いで、前記混合物Aを混合する工程
成分(C)~(E)は乳化物形成成分であり、「成分(C)~(E)を含む油相成分」とは、乳化物形成成分を含む油相成分である。なお、本明細書において「水相成分」とは、乳化組成物の製造工程における水相を構成する成分を意味し、「油相成分」とは、乳化組成物の製造工程における油相を構成する成分を意味する。
工程(1)では、前記成分(A)、成分(B)、有機酸及び水を混合し、成分(A)、成分(B)、有機酸及び水を含む混合物A(水相成分)を調製する。工程(1)を行うことにより、成分(A)と成分(B)とから形成されたポリイオンコンプレックスを含む混合物Aが得られる。
工程(1)における混合時の温度は特に制限されないが、成分(A)及び成分(B)の分散性向上の観点、及びポリイオンコンプレックスの形成しやすさの観点から、好ましくは40℃以上、より好ましくは45℃以上、更に好ましくは50℃以上であり、配合成分の熱劣化を抑える観点から、好ましくは90℃以下、より好ましくは80℃以下、更に好ましくは70℃以下、より更に好ましくは65℃以下である。そして、工程(1)における混合時の温度は、好ましくは40℃以上90℃以下、より好ましくは45℃以上90℃以下、更に好ましくは50℃以上80℃以下、より更に好ましくは50℃以上70℃以下、より更に好ましくは50℃以上65℃以下である。
なお工程(1)の混合物Aの調製に用いる有機酸の量は、得られる組成物に含有される有機酸の一部であってよい。
なお工程(1)の混合物Aの調製に用いる水の量は、得られる組成物に含有される水の一部であってよい。
混合物Aの25℃におけるpHは、pHメーターを用いて測定することができる。
毛髪化粧料組成物が乳化組成物である場合に、該毛髪化粧料組成物の製造方法は、好ましくは、工程(1)の後に、下記工程(2-1)又は工程(2-2)のいずれかを有する。これにより、工程(1)で得られたポリイオンコンプレックスを含む、安定性の高い乳化組成物を製造することができる。
工程(2-1) 前記混合物Aと、成分(C)~(E)を含む油相成分とを混合して乳化物(I)を調製する工程
工程(2-2) 成分(C)~(E)を含む油相成分と、前記混合物A以外の水相成分とを混合して乳化物(II)を調製し、次いで、前記混合物Aを混合する工程
工程(2-1)では、まず、工程(1)で得られた混合物Aと、成分(C)~(E)を含む油相成分とを混合して乳化物(I)を調製する。次いで、他の油相成分、及び、前記混合物A以外の水相成分を必要に応じ混合することができる。
混合物Aと乳化物形成成分を含む油相成分との混合比は、得られる乳化組成物中の成分(A)及び成分(B)の合計配合量が所定の範囲となるように調整して混合すればよく、特に制限されない。
成分(C)~(E)を含む油相成分は、更に、成分(F):芳香族アルコール、成分(G):非芳香族ポリオールを含有してもよい。
工程(2-1)で用いる、成分(C)~(E)を含む油相成分中、成分(C)~(E)の合計含有量は、乳化物を安定して形成する観点から、好ましくは30質量%以上、より好ましくは50質量%以上、更に好ましくは70質量%以上であり、100質量%以下である。
「他の油相成分」とは、乳化物形成成分を含まない油相成分であり、成分(H):アミノ変性シリコーン/アミノポリエーテル変性シリコーン、成分(I):油剤等が挙げられる。
「混合物A以外の水相成分」としては、有機酸及び水の残量、並びに、成分(G)(非芳香族ポリオール)が挙げられる。
工程(2-1)における混合物Aと、成分(C)~(E)を含む油相成分との混合時間は特に制限されないが、乳化状態を向上させる観点から、好ましくは1分以上、より好ましくは3分以上であり、生産性の観点から、好ましくは1時間以下である。
前記乳化物(I)と、他の油相成分、及び混合物A以外の水相成分とは、一括で混合してもよく、複数回に分割して一方を他方に添加し、混合してもよい。
乳化物(I)とその他の成分との混合時間も特に制限されず、好ましくは5分以上、より好ましくは10分以上であり、生産性の観点から、好ましくは12時間以下である。
工程(2-2)では、まず、成分(C)~(E)を含む油相成分と、前記混合物A以外の水相成分とを混合して乳化物(II)を調製する。次いで、該乳化物(II)と前記混合物Aとを混合する。
ここでいう「成分(C)~(E)を含む油相成分」及び「混合物A以外の水相成分」は工程(2-1)と同じである。
乳化物(II)の調製に用いる、混合物A以外の水相成分は、工程(2-2)で使用する水相成分の全量である必要はなく、少なくとも一部であればよい。乳化物(II)の調製に用いる、混合物A以外の水相成分は、好ましくは水である。
混合物Aと乳化物(II)との混合比は、得られる乳化組成物中の成分(A)及び成分(B)の合計配合量が所定の範囲となるように調整して混合すればよく、特に制限されない。
乳化物(II)と混合物Aとは、一括で混合してもよく、複数回に分割して一方を他方に添加し、混合してもよい。また乳化物(II)と混合物Aとの混合と同時に、又はその混合の前後に、必要に応じ、前述した他の油相成分、及び、水相成分の残量を添加して混合することができる。
乳化物(II)と混合物Aとの混合時の温度は特に制限されないが、好ましくは1分以上、より好ましくは3分以上であり、生産性の観点から、好ましくは1時間以下である。
なお、乳化状態をより良好にする観点からは、毛髪化粧料組成物の製造方法は工程(1)及び工程(2-1)を有することが好ましい。
<1>
成分(A):カチオン性ポリマー及び両性ポリマーからなる群から選ばれる1種以上のポリマー、
成分(B):アニオン性ポリマー、
成分(C):ポリグリセリン及びその誘導体、HLBが1以上5以下の、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、並びにグリセリン脂肪酸エステルからなる群から選ばれる1種以上のノニオン性化合物、
成分(D):カチオン性界面活性剤、及び、
成分(E):高級アルコール、
を含有し、
成分(A)及び成分(B)の合計含有量が1.0質量%未満である、毛髪化粧料組成物。
<2>
成分(A):塩化ジメチルジアリルアンモニウム重合体(ポリクオタニウム-6)、塩化ジメチルジアリルアンモニウム・アクリル酸共重合体(ポリクオタニウム-22)、アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体(ポリクオタニウム-39)、及び、アクリル酸・アクリル酸メチル・塩化メタクリルアミドプロピルトリメチルアンモニウム共重合体(ポリクオタニウム-47)からなる群から選ばれる1種以上のポリマー、
成分(B):ポリアクリル酸、(アクリル酸/アクリル酸ステアリル)共重合体、又はこれらの塩からなる群から選ばれる1種以上のアニオン性ポリマー、
成分(C):ポリグリセリン及びその誘導体、HLBが1以上5以下の、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、並びにグリセリン脂肪酸エステルからなる群から選ばれる1種以上のノニオン性化合物、
成分(D):カチオン性界面活性剤、及び、
成分(E):高級アルコール、
を含有し、
成分(A)及び成分(B)の合計含有量が0.05質量%以上0.5質量%以下であり、
成分(C)の含有量が0.01質量%以上5.0質量%以下である、毛髪化粧料組成物。
<3>
前記カチオン性ポリマーが、カチオン性基を有し、且つアニオン性基及び両性基を実質的に有さないポリマーである、<1>に記載の毛髪化粧料組成物。
<4>
前記カチオン性ポリマーが、カチオン性基を有し、且つカチオン性基に対するアニオン性基及び両性基のモル量が好ましくは0.1%以下である、<1>又は<3>に記載の毛髪化粧料組成物。
<5>
前記両性ポリマーが、好ましくはカチオン性基及びアニオン性基を有するポリマーであって、該ポリマーの1%水溶液の25℃におけるpHが5.1未満であり、ポリマーの総電荷として正に帯電しているポリマーである、<1>、<3>、<4>のいずれか1に記載の毛髪化粧料組成物。
<6>
前記成分(A)のカチオン電荷密度が、好ましくは0.1meq/g以上10meq/g以下、より好ましくは0.5meq/g以上8.0meq/g以下、更に好ましくは1.0meq/g以上7.0meq/g以下、より更に好ましくは2.0meq/g以上7.0meq/g以下である、<1>~<5>のいずれか1に記載の毛髪化粧料組成物。
<7>
前記成分(A)の重量平均分子量が、好ましくは5,000以上200万以下、より好ましくは8,000以上150万以下である、<1>~<6>のいずれか1に記載の毛髪化粧料組成物。
<8>
前記成分(A)が、好ましくはカチオン化グアガム、カチオン化タラガム、カチオン化ローカストビーンガム、カチオン性澱粉、カチオン化セルロース、カチオン化ヒドロキシアルキルセルロース、カチオン化ポリビニルアルコール、ポリエチレンイミン、第4級化ジアルキルアミノアルキル(メタ)アクリル酸塩重合体、ジアリル第4級化アンモニウム塩重合体、メタクリルアミドプロピルトリメチルアンモニウム塩重合体、メタクリロイルエチルトリメチルアンモニウム塩重合体、ビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)、ビニルピロリドン・アルキルアミノ(メタ)アクリレート共重合体、ビニルピロリドン・アルキルアミノ(メタ)アクリレート・ビニルカプロラクタム共重合体、アルキルアクリルアミド・(メタ)アクリレート・アルキルアミノアルキルアクリルアミド・ポリエチレングリコール(メタ)アクリレート共重合体、及びアジピン酸・ジメチルアミノヒドロキシプロピルエチレントリアミン共重合体からなる群から選ばれる1種以上、より好ましくは、第4級化ジアルキルアミノアルキル(メタ)アクリル酸塩重合体、ジアリル第4級化アンモニウム塩重合体、メタクリルアミドプロピルトリメチルアンモニウム塩重合体、メタクリロイルエチルトリメチルアンモニウム塩重合体、及びビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)からなる群から選ばれる1種以上、更に好ましくは、ジアリル第4級化アンモニウム塩重合体、メタクリルアミドプロピルトリメチルアンモニウム塩重合体、及びビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)からなる群から選ばれる1種以上、より更に好ましくは塩化ジメチルジアリルアンモニウム重合体(ポリクオタニウム-6)、塩化ジメチルジアリルアンモニウム・アクリル酸共重合体(ポリクオタニウム-22)、アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体(ポリクオタニウム-39)、アクリル酸・アクリル酸メチル・塩化メタクリルアミドプロピルトリメチルアンモニウム共重合体(ポリクオタニウム-47)、及びビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)からなる群から選ばれる1種以上である、<1>、<3>~<7>のいずれか1に記載の毛髪化粧料組成物。
<9>
前記成分(A)が、より更に好ましくは塩化ジメチルジアリルアンモニウム重合体(ポリクオタニウム-6)、アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体(ポリクオタニウム-39)、及びビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)からなる群から選ばれる1種以上である、<1>~<8>のいずれか1に記載の毛髪化粧料組成物。
<10>
塩化ジメチルジアリルアンモニウム重合体(ポリクオタニウム-6)のカチオン電荷密度が、より更に好ましくは2.0meq/g以上、より更に好ましくは2.5meq/g以上であり、より更に好ましくは6.5meq/g以下であり、重量平均分子量が、更に好ましくは10,000以上、20万以下である、<2>、<8>、<9>のいずれか1に記載の毛髪化粧料組成物。
塩化ジメチルジアリルアンモニウム・アクリル酸共重合体(ポリクオタニウム-22)のカチオン電荷密度が、より更に好ましくは2.0meq/g以上、より更に好ましくは3.0meq/g以上、より更に好ましくは4.0meq/g以上であり、より更に好ましくは6.5meq/g以下、より更に好ましくは6.0meq/g以下であり、重量平均分子量が、更に好ましくは20,000以上、より更に好ましくは50,000以上、より更に好ましくは10万以上、より更に好ましくは20万以上、より更に好ましくは30万以上であり、更に好ましくは100万以下、より更に好ましくは60万以下、より更に好ましくは50万以下である、<2>又は<8>に記載の毛髪化粧料組成物。
<12>
アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体(ポリクオタニウム-39)のカチオン電荷密度が、より更に好ましくは2.0meq/g以上、より更に好ましくは2.5meq/g以上であり、より更に好ましくは6.5meq/g以下、より更に好ましくは5.0meq/g以下、より更に好ましくは4.0meq/g以下であり、重量平均分子量が、更に好ましくは20,000以上、より更に好ましくは50,000以上、より更に好ましくは10万以上であり、更に好ましくは100万以下、より更に好ましくは60万以下、より更に好ましくは50万以下、より更に好ましくは30万以下である、<2>、<8>、<9>のいずれか1に記載の毛髪化粧料組成物。
<13>
アクリル酸・アクリル酸メチル・塩化メタクリルアミドプロピルトリメチルアンモニウム共重合体(ポリクオタニウム-47)のカチオン電荷密度が、より更に好ましくは2.0meq/g以上、より更に好ましくは2.5meq/g以上であり、より更に好ましくは6.5meq/g以下、より更に好ましくは5.0meq/g以下、より更に好ましくは4.5meq/g以下であり、重量平均分子量が、更に好ましくは20万以上、より更に好ましくは50万以上、より更に好ましくは100万以上であり、好ましくは500万以下、より好ましくは300万以下、更に好ましくは150万以下である、<2>又は<8>に記載の毛髪化粧料組成物。
<14>
ビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体(ポリクオタニウム-16)のカチオン電荷密度が、より更に好ましくは2.0meq/g以上であり、より更に好ましくは6.5meq/g以下、より更に好ましくは5.0meq/g以下、より更に好ましくは4.5meq/g以下であり、重量平均分子量が、更に好ましくは20,000以上、より更に好ましくは50,000以上であり、更に好ましくは15万以下である、<2>、<8>、<9>のいずれか1に記載の毛髪化粧料組成物。
<15>
前記成分(B)が、アニオン性基を有し、且つカチオン性基及び両性基を実質的に有さないポリマーである、<1>、<3>~<14>のいずれか1に記載の毛髪化粧料組成物。
<16>
前記成分(B)が、アニオン性基を有し、且つアニオン性基に対するカチオン性基及び両性基のモル量が好ましくは0.1%以下であるポリマーである、<1>、<3>~<15>のいずれか1に記載の毛髪化粧料組成物。
<17>
前記成分(B)が有するアニオン性基が、好ましくはカルボキシ基、スルホン酸基、及びリン酸からなる群から選ばれる1種以上の酸性基、より好ましくはカルボキシ基である、<1>、<3>~<16>のいずれか1に記載の毛髪化粧料組成物。
<18>
前記成分(B)のアニオン電荷密度が、好ましくは0.1meq/g以上30meq/g以下、より好ましくは0.5meq/g以上30meq/g以下、更に好ましくは1.0meq/g以上20meq/g以下、より更に好ましくは2.0meq/g以上15meq/g以下である、<1>~<17>のいずれか1に記載の毛髪化粧料組成物。
<19>
前記成分(B)の重量平均分子量が、好ましくは3,000以上50,000以下、より好ましくは5,000以上40,000以下、更に好ましくは10,000以上30,000以下である、<1>~<18>のいずれか1に記載の毛髪化粧料組成物。
<20>
前記成分(B)が、好ましくはカルボキシ基を有するポリマー、より好ましくはカルボキシ基含有セルロース誘導体、カルボキシビニルポリマー、ポリ(メタ)アクリル酸、(メタ)アクリル酸系共重合体、又はこれらの塩からなる群から選ばれる1種以上、更に好ましくはポリ(メタ)アクリル酸、(メタ)アクリル酸系共重合体、又はこれらの塩からなる群から選ばれる1種以上、より更に好ましくはポリアクリル酸、(メタ)アクリル酸/(メタ)アクリル酸アルキルエステル共重合体、又はこれらの塩からなる群から選ばれる1種以上、より更に好ましくはポリアクリル酸、(アクリル酸/アクリル酸ステアリル)共重合体、又はこれらの塩からなる群から選ばれる1種以上である、<1>、<3>~<19>のいずれか1に記載の毛髪化粧料組成物。
前記ポリグリセリン誘導体が、ポリグリセリンアルキルエーテル、ポリグリセリンジアルキルエーテル、及びポリグリセリン脂肪酸エステルからなる群から選ばれる1種以上である、<1>~<20>のいずれか1に記載の毛髪化粧料組成物。
<22>
ポリグリセリンアルキルエーテル、ポリグリセリンジアルキルエーテルにおけるアルキル基、及び、ポリグリセリン脂肪酸エステルにおける脂肪酸の炭素数が、好ましくは炭素数8以上22以下、より好ましくは炭素数12以上22以下、更に好ましくは炭素数12以上18以下である、<21>に記載の毛髪化粧料組成物。
<23>
ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、及びグリセリン脂肪酸エステルのHLBが、好ましくは1.5以上4.5以下、より好ましくは1.5以上3.5以下である、<1>~<22>のいずれか1に記載の毛髪化粧料組成物。
<24>
ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、及びグリセリン脂肪酸エステルにおける脂肪酸が、好ましくは炭素数8以上22以下、より好ましくは炭素数12以上22以下、更に好ましくは炭素数12以上18以下である、<1>~<23>のいずれか1に記載の毛髪化粧料組成物。
<25>
前記成分(C)が、好ましくはポリグリセリン、HLBが1以上5以下のソルビタン脂肪酸エステル、及び、HLBが1以上5以下のグリセリン脂肪酸エステルからなる群から選ばれる1種以上であり、より好ましくはポリグリセリン、HLBが1以上5以下のオレイン酸ソルビタン、HLBが1以上5以下のステアリン酸グリセリル、及びHLBが1以上5以下のイソステアリン酸グリセリルからなる群から選ばれる1種以上である、<1>~<24>のいずれか1に記載の毛髪化粧料組成物。
<26>
前記成分(D)が、好ましくは(i)アルキルトリメチルアンモニウム塩、(ii)アルコキシアルキルトリメチルアンモニウム塩、(iii)ジアルキルジメチルアンモニウム塩、(iv)アルキルアミドアルキルトリメチルアンモニウム塩、(v)アルキルジメチルアミン及びその塩、(vi)アルコキシアルキルジメチルアミン及びその塩、並びに、(vii)アルキルアミドアルキルジメチルアミン及びその塩からなる群から選ばれる1種以上であり、より好ましくは、(i)アルキルトリメチルアンモニウム塩、(ii)アルコキシアルキルトリメチルアンモニウム及び(v)アルキルジメチルアミン及びその塩からなる群から選ばれる1種以上、更に好ましくはベヘニルトリメチルアンモニウムクロリド、ステアロキシプロピルトリメチルアンモニウムクロリド、ステアロキシエチルトリメチルアンモニウムクロリド、ステアロキシヒドロキシプロピルトリメチルアンモニウムクロリド、N,N-ジメチル-3-ヘキサデシルオキシプロピルアミン又はその乳酸塩、及びN,N-ジメチル-3-オクタデシルオキシプロピルアミン(ステアロキシプロピルジメチルアミン)又はその乳酸塩からなる群から選ばれる1種以上、より更に好ましくはN,N-ジメチル-3-オクタデシルオキシプロピルアミン(ステアロキシプロピルジメチルアミン)又はその乳酸塩からなる群から選ばれる1種以上である、<1>~<25>のいずれか1に記載の毛髪化粧料組成物。
<27>
前記成分(E)が、炭素数12以上、好ましくは炭素数12以上22以下の脂肪族1価アルコール、より好ましくはラウリルアルコール、セチルアルコール、ミリスチルアルコール、オレイルアルコール、ステアリルアルコール、イソステアリルアルコール、2-オクチルドデカノール、ベヘニルアルコール、及び、セトステアリルアルコールからなる群から選ばれる1種以上、更に好ましくはセチルアルコール、ミリスチルアルコール、ステアリルアルコール、及びベヘニルアルコールからなる群から選ばれる1種以上であり、より更に好ましくはステアリルアルコールである、<1>~<26>のいずれか1に記載の毛髪化粧料組成物。
<28>
前記毛髪化粧料組成物中の成分(A)の含有量が、好ましくは0.01質量%以上0.50質量%未満、より好ましくは0.02質量%以上0.30質量%以下、更に好ましくは0.03質量%以上0.30質量%以下、より更に好ましくは0.03質量%以上0.20質量%以下である、<1>~<27>のいずれか1に記載の毛髪化粧料組成物。
<29>
前記毛髪化粧料組成物中の成分(B)の含有量が、好ましくは0.01質量%以上0.50質量%未満、より好ましくは0.01質量%以上0.30質量%以下、更に好ましくは0.01質量%以上0.20質量%以下、より更に好ましくは0.015質量%以上0.20質量%以下、より更に好ましくは0.015質量%以上0.15質量%以下、より更に好ましくは0.015質量%以上0.10質量%以下である、<1>~<28>のいずれか1に記載の毛髪化粧料組成物。
<30>
前記毛髪化粧料組成物中の成分(A)及び成分(B)の合計含有量が、好ましくは0.01質量%以上0.9質量%以下、より好ましくは0.03質量%以上0.9質量%以下、更に好ましくは0.05質量%以上0.9質量%以下、より更に好ましくは0.05質量%以上0.5質量%以下、より更に好ましくは0.05質量%以上0.4質量%以下である、<1>、<3>~<29>のいずれか1に記載の毛髪化粧料組成物。
前記毛髪化粧料組成物中の成分(A)のカチオン電荷のモル数と、成分(B)のアニオン電荷のモル数との比が、好ましくは5/95~95/5、より好ましくは10/90~90/10、更に好ましくは20/80~80/20、より更に好ましくは20/80~60/40、より更に好ましくは40/60~60/40である、<1>~<30>のいずれか1に記載の毛髪化粧料組成物。
<32>
前記毛髪化粧料組成物中の成分(C)の含有量が、好ましくは0.01質量%以上5.0質量%以下、より好ましくは0.02質量%以上5.0質量%以下、更に好ましくは0.03質量%以上5.0質量%以下、より更に好ましくは0.03質量%以上4.0質量%以下、より更に好ましくは0.05質量%以上3.0質量%以下、より更に好ましくは0.1質量%以上2.0質量%以下、より更に好ましくは0.1質量%以上1.0質量%以下、より更に好ましくは0.1質量%以上0.5質量%以下である、<1>~<31>のいずれか1に記載の毛髪化粧料組成物。
<33>
前記毛髪化粧料組成物中の成分(C)の含有量に対する、成分(A)及び成分(B)の合計含有量の質量比[{(A)+(B)}/(C)]が、好ましくは0.01以上30以下、より好ましくは0.01以上25以下、更に好ましくは0.01以上20以下、より更に好ましくは0.01以上10以下、より更に好ましくは0.01以上5.0以下、より好ましくは0.05以上3.0以下、更に好ましくは0.10以上2.0以下である、<1>~<32>のいずれか1に記載の毛髪化粧料組成物。
<34>
前記毛髪化粧料組成物中の成分(D)の含有量が、好ましくは0.1質量%以上10質量%以下、より好ましくは0.2質量%以上5.0質量%以下、更に好ましくは0.5質量%以上5.0質量%以下、より更に好ましくは1.0質量%以上3.5質量%以下である、<1>~<33>のいずれか1に記載の毛髪化粧料組成物。
<35>
前記毛髪化粧料組成物中の成分(E)の含有量が、好ましくは0.1質量%以上15質量%以下、より好ましくは0.2質量%以上10質量%以下、更に好ましくは0.5質量%以上10質量%以下、より更に好ましくは1.0質量%以上8.0質量%以下である、<1>~<34>のいずれか1に記載の毛髪化粧料組成物。
<36>
さらに有機酸を含有する、<1>~<35>のいずれか1に記載の毛髪化粧料組成物。
<37>
前記有機酸が、成分(B)以外の、カルボン酸系化合物及びスルホン酸系化合物からなる群から選ばれる1種以上である、<36>に記載の毛髪化粧料組成物。
<38>
前記有機酸が、好ましくは分子量が500以下、より好ましくは200以下の化合物である、<36>又は<37>に記載の毛髪化粧料組成物。
<39>
前記有機酸が、好ましくは脂肪族ジカルボン酸、ヒドロキシカルボン酸、及び芳香族スルホン酸からなる群から選ばれる1種以上であり、より好ましくはコハク酸、乳酸、リンゴ酸、グリコール酸、p-トルエンスルホン酸、及びナフタレンスルホン酸からなる群から選ばれる1種以上、更に好ましくはコハク酸及び乳酸からなる群から選ばれる1種以上、より更に好ましくは乳酸である、<36>~<38>のいずれか1に記載の毛髪化粧料組成物。
<40>
前記毛髪化粧料組成物中の有機酸の含有量が、好ましくは0.01質量%以上5.0質量%以下、より好ましくは0.02質量%以上3.0質量%以下、更に好ましくは0.03質量%以上3.0質量%以下、より更に好ましくは0.05質量%以上3.0質量%以下、より更に好ましくは0.1質量%以上2.0質量%以下、より更に好ましくは0.1質量%以上1.5質量%以下、より更に好ましくは0.2質量%以上1.5質量%以下、より更に好ましくは0.3質量%以上1.5質量%以下である、<36>~<39>のいずれか1に記載の毛髪化粧料組成物。
さらに水を含有する、<1>~<40>のいずれか1に記載の毛髪化粧料組成物。
<42>
前記毛髪化粧料組成物中の水の含有量が、毛髪化粧料組成物中の水の含有量は、好ましくは10質量%以上99質量%以下、より好ましくは20質量%以上95質量%以下、更に好ましくは30質量%以上92質量%以下である、<41>に記載の毛髪化粧料組成物。
<43>
さらに成分(F)として、芳香族アルコールを含有する、<1>~<42>のいずれか1に記載の毛髪化粧料組成物。
<44>
前記成分(F)が、ベンジルアルコール、フェノキシエタノール、及び2-ベンジルオキシエタノールからなる群から選ばれる1種以上であり、好ましくはベンジルアルコールである、<43>に記載の毛髪化粧料組成物。
<45>
前記毛髪化粧料組成物中の成分(F)の含有量が、好ましくは0.1質量%以上5.0質量%以下、より好ましくは0.2質量%以上3.0質量%以下、更に好ましくは0.3質量%以上2.0質量%以下である、<43>又は<44>に記載の毛髪化粧料組成物。
<46>
さらに成分(G)として、非芳香族ポリオールを含有する、<1>~<45>のいずれか1に記載の毛髪化粧料組成物。
<47>
前記成分(G)が、1,3-ブチレングリコール、グリセリン、エチレングリコール、プロピレングリコール、ジプロピレングリコールからなる群から選ばれる1種以上、好ましくは1,3-ブチレングリコール及びジプロピレングリコールからなる群から選ばれる1種以上、より好ましくはジプロピレングリコールである、<46>に記載の毛髪化粧料組成物。
<48>
前記毛髪化粧料組成物中の成分(G)の含有量が、好ましくは0.1質量%以上10質量%以下、より好ましくは0.2質量%以上10質量%以下、更に好ましくは0.5質量%以上5.0質量%以下、より更に好ましくは1.0質量%以上3.0質量%以下である、<46>又は<47>に記載の毛髪化粧料組成物。
<49>
アミノ変性シリコーン(H1)及びアミノポリエーテル変性シリコーン(H2)からなる群から選ばれる1種以上の変性シリコーン(H)を含有する、<1>~<45>のいずれか1に記載の毛髪化粧料組成物。
<50>
前記成分(H1)が、下記一般式(I)で表されるアミノ変性シリコーンである、<49>に記載の毛髪化粧料組成物。
〔式中、R21はそれぞれ独立に、メチル基又はヒドロキシ基を示し、R22はそれぞれ独立に、炭素数1以上30以下のアルキル基、ヒドロキシ基、又はR23を示す。R23は-R24-Z1(R24は単結合、又は炭素数1以上20以下の2価の炭化水素基を示し、Z1は1~3級アミノ基含有基又はアンモニウム基含有基を示す。)で表される1価の基を示す。aは0以上3000以下、bは1以上3000以下の数を示す。〕
前記一般式(I)で表されるアミノ変性シリコーンが、アモジメチコン、アミノプロピルジメチコン、ビス(アミノプロピル)ジメチコン、及びビス(セテアリル)アモジメチコンからなる群から選ばれる1種以上、好ましくは、下記一般式(Ia)~(Id)のいずれかで表されるアミノ変性シリコーン、より好ましくは下記一般式(Ia)で表されるアミノ変性シリコーン(アモジメチコン)である、<50>に記載の毛髪化粧料組成物。
〔式中、a、b、c及びR24は、前記と同じである。〕
<52>
前記成分(H1)の25℃における動粘度が、好ましくは20mm2/s以上10,000mm2/s以下、より好ましくは100mm2/s以上5,000mm2/s以下、更に好ましくは500mm2/s以上2,000mm2/s以下である、<49>~<51>のいずれか1に記載の毛髪化粧料組成物。
<53>
前記成分(H2)中のケイ素原子のモル数をSi、アルキレンオキシドの平均付加モル数をAOとした場合、Si/AOが、好ましくは0.05以上3.0以下、より好ましくは0.1以上2.8以下、更に好ましくは0.3以上2.8以下、より更に好ましくは0.5以上2.6以下、より更に好ましくは0.7以上2.4以下である、<49>~<52>のいずれか1に記載の毛髪化粧料組成物。
<54>
前記成分(H2)の窒素含有率が、好ましくは0.1質量%以上2.5質量%以下、より好ましくは0.2質量%以上2.0質量%以下、更に好ましくは0.5質量%以上1.8質量%以下、より更に好ましくは1.0質量%以上1.5質量%以下である、<49>~<53>のいずれか1に記載の毛髪化粧料組成物。
<55>
前記成分(H2)が、好ましくは下記一般式(II)で表されるアミノポリエーテル変性シリコーンである、<49>~<54>のいずれか1に記載の毛髪化粧料組成物。
〔式(II)中、R31は水素原子又は炭素数1以上6以下の1価の炭化水素基を示す。R32はR31又はEのいずれかを示す。Eは-R33-Z2(R33は単結合、又は炭素数1以上20以下の2価の炭化水素基を示し、Z2は1~3級アミノ基含有基又はアンモニウム基含有基を示す。)で表される1価の基を示す。Yは炭素数1以上6以下のアルキレン基を示す。
dは2以上の数、eは1以上の数、fは2以上100以下の数、gは1以上の数を示す。mは2以上10以下の数を示す。括弧内の構造単位同士の結合順序は問わず、結合形態はブロック状でもランダム状でもよい。f個のCmH2mOは同一でも異なっていてもよい。また、複数個のR31、R32、E及びYは同一でも異なっていてもよい。〕
<56>
前記成分(H2)が、より好ましくは下記一般式(IIa)で表されるアミノポリエーテル変性シリコーンである、<55>に記載の毛髪化粧料組成物。
〔式(IIa)中、d~gは前記と同じである。〕
<57>
前記成分(H2)の25℃における動粘度が、好ましくは5,000mm2/s以上200,000mm2/s以下、より好ましくは20,000mm2/s以上150,000mm2/s以下、更に好ましくは40,000mm2/s以上100,000mm2/s以下である、<49>~<56>のいずれか1に記載の毛髪化粧料組成物。
<58>
前記成分(H)が、好ましくは、前記一般式(I)で表されるアミノ変性シリコーン及び前記一般式(II)で表されるアミノポリエーテル変性シリコーンからなる群から選ばれる1種以上であり、より好ましくは、前記一般式(Ia)で表されるアミノ変性シリコーン及び前記一般式(IIa)で表されるアミノポリエーテル変性シリコーンからなる群から選ばれる1種以上である、<49>~<57>のいずれか1に記載の毛髪化粧料組成物。
<59>
前記毛髪化粧料組成物中の成分(H)の含有量が、好ましくは0.05質量%以上5.0質量%以下、より好ましくは0.05質量%以上2.0質量%以下、更に好ましくは0.1質量%以上1.0質量%以下、より更に好ましくは0.1質量%以上0.5質量%以下である、<49>~<58>のいずれか1に記載の毛髪化粧料組成物。
<60>
さらに成分(I)として、成分(H)以外の油剤を含有する、<1>~<59>のいずれか1に記載の毛髪化粧料組成物。
前記成分(I)が、(a)シリコーン油、(b)エステル油、(c)エーテル油、(d)炭化水素油、(e)高級脂肪酸、及び(f)ロウ類からなる群から選ばれる1種以上、好ましくは(a)シリコーン油、(b)エステル油、(d)炭化水素油、及び(e)高級脂肪酸からなる群から選ばれる1種以上であり、より好ましくは(a)シリコーン油及び(e)高級脂肪酸からなる群から選ばれる1種以上を含むものであり、更に好ましくはジメチルポリシロキサン、ジメチコノール、メチルフェニルポリシロキサン、成分(H)以外の変性シリコーン、及び炭素数12以上の脂肪酸からなる群から選ばれる1種以上を含むものであり、より更に好ましくはジメチルポリシロキサン、ジメチコノール、ポリエーテル変性シリコーン、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、ベヘン酸、オレイン酸、ヤシ油脂肪酸、ラノリン脂肪酸、イソステアリル酸、及びイソパルミチン酸からなる群から選ばれる1種以上を含むものであり、より更に好ましくはジメチルポリシロキサン及びラノリン脂肪酸からなる群から選ばれる1種以上を含むものであり、より更に好ましくはジメチルポリシロキサン及びラノリン脂肪酸からなる、<60>に記載の毛髪化粧料組成物。
<62>
前記毛髪化粧料組成物中の成分(I)の含有量が、好ましくは0.1質量%以上10質量%以下、より好ましくは0.2質量%以上5.0質量%以下、更に好ましくは0.5質量%以上5.0質量%以下、より更に好ましくは1.0質量%以上3.0質量%以下である、<60>又は<61>に記載の毛髪化粧料組成物。
<63>
前記毛髪化粧料組成物の5%水溶液の25℃におけるpHが、好ましくは2.0以上10.0以下、より好ましくは3.0以上7.0以下、更に好ましくは3.0以上5.0以下である、<1>~<62>のいずれか1に記載の毛髪化粧料組成物。
<64>
下記工程(1)と、下記工程(2-1)又は工程(2-2)のいずれかとを有する、<1>~<63>のいずれか1に記載の毛髪化粧料組成物の製造方法。
工程(1) 成分(A)、成分(B)、有機酸及び水を含む混合物Aを調製する工程
工程(2-1) 前記混合物Aと、成分(C)~(E)を含む油相成分とを混合して乳化物(I)を調製する工程
工程(2-2) 成分(C)~(E)を含む油相成分と、前記混合物A以外の水相成分とを混合して乳化物(II)を調製し、次いで、前記混合物Aを混合する工程
<65>
前記工程(1)における混合時の温度が、好ましくは40℃以上90℃以下、より好ましくは45℃以上90℃以下、更に好ましくは50℃以上80℃以下、より更に好ましくは50℃以上70℃以下、より更に好ましくは50℃以上65℃以下である、<64>に記載の製造方法。
<66>
前記工程(1)における混合時間が、好ましくは1分以上、より好ましくは3分以上であり、好ましくは1時間以下である、<64>又は<65>に記載の製造方法。
<67>
前記工程(1)で得られる混合物Aが懸濁液の状態である、<64>~<66>のいずれか1に記載の製造方法。
<68>
前記混合物Aにおける成分(A)の配合量が、混合物Aの総量100質量%中、好ましくは0.01質量%以上10質量%未満であり、より好ましくは0.03質量%以上5質量%未満、更に好ましくは0.03質量%以上1質量%未満、より更に好ましくは0.05質量%以上0.5質量%未満となる量である、<64>~<67>のいずれか1に記載の製造方法。
<69>
前記混合物Aにおける成分(B)の配合量が、混合物Aの総量100質量%中、好ましくは0.01質量%以上5質量%未満であり、より好ましくは0.01質量%以上3質量%未満、更に好ましくは0.02質量%以上1質量%未満、より更に好ましくは0.05質量%以上0.3質量%未満となる量である、<64>~<68>のいずれか1に記載の製造方法。
<70>
前記混合物Aにおける有機酸の配合量が、混合物Aの総量100質量%中、好ましくは0.01質量%以上10質量%未満であり、より好ましくは0.01質量%以上5質量%未満、更に好ましくは0.03質量%以上1質量%未満、より更に好ましくは0.05質量%以上0.75質量%未満、より更に好ましくは0.05質量%以上0.30質量%未満となる量である、<64>~<69>のいずれか1に記載の製造方法。
前記混合物Aにおいて、有機酸の配合量に対する、成分(A)及び成分(B)の合計配合量の質量比[(A+B)/有機酸]が、好ましくは1/0.1~1/20、より好ましくは1/0.1~1/15、更に好ましくは1/0.20~1/10、より更に好ましくは1/0.20~1/8、より更に好ましくは1/0.22~1/4の範囲である、<64>~<70>のいずれか1に記載の製造方法。
<72>
前記混合物Aにおける水の配合量が、混合物Aの総量100質量%中、好ましくは50質量%以上99.97質量%以下、より好ましくは50質量%以上99.8質量%以下、更に好ましくは60質量%以上99.8質量%以下、より更に好ましくは70質量%以上99.8質量%以下、より更に好ましくは80質量%以上99.8質量%以下となる量である、<64>~<71>のいずれか1に記載の製造方法。
<73>
前記混合物A中の成分(A)、成分(B)、有機酸及び水の合計含有量が、好ましくは70質量%以上、より好ましくは80質量%以上、更に好ましくは90質量%以上、より更に好ましくは95質量%以上であり、100質量%以下である、<64>~<72>のいずれか1に記載の製造方法。
<74>
前記混合物Aの25℃におけるpHが、好ましくは1.5以上4.0以下、より好ましくは2.0以上4.0以下、更に好ましくは2.0以上3.2以下、より更に好ましくは2.0以上3.0以下である、<64>~<73>のいずれか1に記載の製造方法。
<75>
前記工程(2-1)における、混合物Aと、成分(C)~(E)を含む油相成分との混合時の温度が、好ましくは40℃以上90℃以下、より好ましくは45℃以上90℃以下、更に好ましくは50℃以上80℃以下である、<64>~<74>のいずれか1に記載の製造方法。
<76>
前記工程(2-1)における、混合物Aと、成分(C)~(E)を含む油相成分との混合時間が、好ましくは1分以上、より好ましくは3分以上であり、好ましくは1時間以下である、<64>~<75>のいずれか1に記載の製造方法。
<77>
前記工程(2-2)における、成分(C)~(E)を含む油相成分と、混合物A以外の水相成分との混合時の温度が、好ましくは40℃以上90℃以下、より好ましくは45℃以上90℃以下、更に好ましくは50℃以上80℃以下である、<55>~<69>のいずれか1に記載の製造方法。
前記工程(2-2)における、成分(C)~(E)を含む油相成分と、混合物A以外の水相成分との混合時間が、好ましくは1分以上、より好ましくは3分以上であり、好ましくは1時間以下である、<64>~<77>のいずれか1に記載の製造方法。
<79>
前記工程(2-2)における、乳化物(II)と混合物Aとの混合時の温度が、好ましくは10℃以上50℃以下、より好ましくは20℃以上45℃以下である、<64>~<78>のいずれか1に記載の製造方法。
<80>
前記工程(2-2)における、乳化物(II)と混合物Aとの混合時間が、好ましくは1分以上、より好ましくは3分以上であり、好ましくは1時間以下である、<64>~<79>のいずれか1に記載の製造方法。
<81>
前記毛髪化粧料組成物の製造方法が工程(1)及び工程(2-1)を有する、<64>~<80>のいずれか1に記載の製造方法。
各例の毛髪化粧料組成物(ヘアコンディショナー)に水を加えて5%水溶液とし、pHメーター((株)堀場製作所製、F-51)を用いて、25℃におけるpHを測定した。該pHはいずれも3.4であった。
各例のヘアコンディショナー1gをプラスチック製の黒い下敷きの上に滴下し、指で10回なぞった際の外観及び感触を下記基準で評価した。
A:凝集粒子が視認できず、指でなぞった際につるつるした感触である
B:凝集粒子は視認できないが、指でなぞった際にざらざらした感触である
C:凝集粒子が視認され、指でなぞった際にざらざらした感触である
D:分離している
各例のヘアコンディショナーの保存安定性は、サイクル試験により評価した。
各例のヘアコンディショナーを、40℃~-28℃の範囲で温度変化する環境下にて2週間保存するサイクル試験を行った。1日あたりの温度サイクルは、温度差ΔT=40℃のサイクルが4周/日となるようにした。保存後のヘアコンディショナーの分離の有無を目視観察し、表中、分離がなく安定であるものを「A」、分離が認められるものを「D」と表示した。
長さ30cm、質量20gの日本人毛のトレスに対し、ブリーチ剤(「花王泡ヘアブリーチL」(1液)7mL、「花王泡ヘアカラーd」(2液)14mLを混合したもの)を塗布し、20分静置後、35~40℃の温水で十分にすすいだ。上記処理を4回繰り返し、日本人ダメージ毛の評価用トレスを作製した。
上記評価用トレスに各例のヘアコンディショナーを1mL塗布し、手でなじませた。その際の感触を専門のパネラー5名で、下記基準にて5段階評価し、その平均値を評価結果とした。
5:とても滑らかである
4:滑らかである
3:やや滑らかである
2:下記組成のプレーンコンディショナーを使用した場合と同等の滑らかさである
1:すぐに存在感がなくなり滑らかでない
(質量%)
ステアロキシプロピルジメチルアミン(*1) 0.9
ステアリルアルコール(*2) 3.0
ジプロピレングリコール 0.5
ベンジルアルコール 0.2
乳酸(*3) 1.1
精製水 残 量
合計 100.0
(*1)花王(株)製「ファーミン DM-E80」、有効成分量 90質量%
(*2)花王(株)製「カルコール8098」、有効成分量 100質量%
(*3)PURAC Thailand Ltd.製「PURAC ULTRAPURE90」、有効成分量 90質量%
前記方法で作製した日本人ダメージ毛の評価用トレスに各例のヘアコンディショナーを1mL塗布し、30秒間なじませた。この状態で1分放置した後、流水で30秒間すすぎ、ドライヤーで完全に乾くまで乾燥させた。
乾燥後のトレスを、160℃に設定したフラットアイロン(三木電器産業(株)製「AHI-938」)を用いてコームを通しながら10回ストレートセットを行い、セット直後のトレスの写真を撮影した。次いで、ストレートセット後の毛髪を35℃、80%RHの高湿度環境下に30分吊り下げて静置し、再度写真を撮影した。2枚の写真において、トレスの根元から23.5cmの箇所のトレス幅を計測し、ストレートセット直後と高湿度下保存後のトレス幅の変化を下記式より算出した。
トレス幅変化値=(高湿度下保存後のトレス幅)/(ストレートセット直後のトレス幅)
上記値が1.3を超える場合、見た目にも広がっているように見えるため、耐湿性が低いと判断した。
表1に記載した成分を用いて、以下の手順でヘアコンディショナーを調製した。
500mLビーカーに、成分(A)であるポリクオタニウム-6溶液1.52g、乳酸(90質量%)3g、及び、水419.7gを投入し、攪拌装置(プロペラ翼が2枚付いたメカニカルスターラー)を用いて、80℃で加熱攪拌を行った。均一溶液になったことを確認した後、成分(B)であるポリアクリル酸ナトリウム0.37gを添加して混合し、均一懸濁液である混合物Aを得た(工程(1))。
次いで、以下の手順で毛髪化粧料組成物(ヘアコンディショナー)を調製した。
まず、表1に記載した、成分(C)であるポリグリセリン1.5g、成分(D)であるステアロキシプロピルジメチルアミン11.0g、成分(E)であるステアリルアルコール31.9g、成分(F)であるベンジルアルコール2.5g、及び成分(G)であるジプロピレングリコール10.0gをあらかじめ混合し、75℃で加熱溶解させて、成分(C)~(E)(乳化物形成成分)を含む油相成分を調製した。これを前記混合物Aに添加し、75℃で10分加熱攪拌した。10分攪拌後に加熱を終了し、空冷を開始した(乳化物(I)の調製)。
次に、表1に記載した、成分(I)である油剤(ジメチコン10.0g及びラノリン脂肪酸5.0g)、及び残量の乳酸3.50g(90質量%)を添加し、液温が40℃以下になるまで攪拌しながら冷却して、500mLのヘアコンディショナーを得た(工程(2-1))。
得られたヘアコンディショナーを用いて、前記方法で評価を行った。結果を表1に示す。なお、本実施例の表に記載した配合量は各成分の有姿での配合量(質量%)であり、本実施例の表に記載した「有効含有量」は、有効成分量に換算した各成分の含有量又は配合量(質量%)である。
ヘアコンディショナーの調製に使用した各成分の種類及び量を、表1~3に記載した通りに変更したこと以外は、実施例1と同様の方法でヘアコンディショナーを製造し、評価を行った。結果を表1~3に示す。
<成分(A):カチオン性ポリマー又は両性ポリマー>
*1 ポリクオタニウム-6(塩化ジメチルジアリルアンモニウム重合体)、Lubrizol Advanced Materials, Inc.製「MERQUAT 100」、カチオン電荷密度:6.18meq/g、Mw:15万、有効成分量:41.5質量%
*2 ポリクオタニウム-39(アクリルアミド・アクリル酸・塩化ジメチルジアリルアンモニウム共重合体液)、Lubrizol Advanced Materials, Inc.製「MERQUAT 3940 POLYMER」、カチオン電荷密度:2.97meq/g、Mw:15万、有効成分量:43質量%
*3 ポリクオタニウム-16(ビニルイミダゾリウムトリクロリド・ビニルピロリドン共重合体)、BASF SE製「ルビカット FC 550」、カチオン電荷密度:3.91meq/g、Mw:80,000、有効成分量:43質量%
*4 ポリクオタニウム-22(塩化ジメチルジアリルアンモニウム・アクリル酸共重合体液)、Lubrizol Advanced Materials, Inc.製「MERQUAT 280」、カチオン電荷密度:4.99meq/g、Mw:45万、有効成分量:41質量%
*5 ポリクオタニウム-47(アクリル酸・アクリル酸メチル・塩化メタクリルアミドプロピルトリメチルアンモニウム共重合体)、Lubrizol Advanced Materials, Inc.製「MERQUAT 2001 POLYMER」、カチオン電荷密度:3.21meq/g、Mw:130万、有効成分量:21質量%
*6 ポリアクリル酸ナトリウム、ザ・ダウ・ケミカル・カンパニー製「アキュゾール 445G ポリマー」、アニオン電荷密度:10.6meq/g、Mw:2.5万、有効成分量:100質量%
*7 (アクリル酸/アクリル酸ステアリル)コポリマー、花王(株)製「ソフケア SA-37W」、アニオン電荷密度:9.3meq/g、Mw:2万、有効成分量:10質量%
<成分(C):ノニオン性化合物>
*8 ポリグリセリン、INOVYN Deutschland GmbH製「ポリグリセリン-3」、有効成分量:100質量%
*9 オレイン酸ソルビタン、花王(株)製「レオドール AO-10V」、HLB:4.3、有効成分量:100質量%
*18 ステアリン酸グリセリル、花王(株)製「レオドール MS-60」、HLB:3.5、有効成分量:100質量%
*19 イソステアリルグリセリル、花王(株)製「ペネトール GE-IS(U)」、HLB:2.0、有効成分量:100質量%
<成分(C’):成分(C)以外のノニオン性化合物>
*20 ラウレス-5(ポリオキシエチレン(5)ラウリルエーテル)、花王(株)製「エマルゲン106」、HLB:10.5、有効成分量:100質量%
*21 ポリソルベート21(モノラウリン酸ポリオキシエチレンソルビタン(6E.O.))、花王(株)製「レオドール TW-L106」、HLB:13.3、有効成分量:100質量%
<成分(D):カチオン性界面活性剤>
*10 ステアロキシプロピルジメチルアミン、花王(株)製「ファーミン DM-E80」、有効成分量:90質量%、ステアリルアルコール10質量%混合物
<成分(E):高級アルコール>
*11 ステアリルアルコール、花王(株)製「カルコール8098」、有効成分量:100質量%
<成分(F):芳香族アルコール>
*12 ベンジルアルコール、Valtris Specialty Chemicals(HQ)製ベンジルアルコール(パフューム グレード)(オランダ)、有効成分量:100質量%
<成分(G):非芳香族ポリオール>
*13 ジプロピレングリコール、(株)ADEKA製「DPG-RF」、有効成分量:100質量%
<成分(H):アミノ変性シリコーン>
*17 アモジメチコン、ダウ・東レ(株)製「シリコーン SF 8457 C」、有効成分量:100質量%
<成分(I):油剤>
*14 ジメチコン、信越化学工業(株)製「シリコーン KHS-3」、有効成分量:100質量%
*15 ラノリン脂肪酸、花王(株)製「18MEA-CL1」、有効成分量:3.5質量%
<有機酸>
*16 乳酸、PURAC Thailand Ltd.製「PURAC ULTRAPURE90」、有効成分量:90質量%
Claims (6)
- 成分(A):カチオン性ポリマー及び両性ポリマーからなる群から選ばれる1種以上のポリマー、
成分(B):アニオン性ポリマー、
成分(C):ポリグリセリン及びその誘導体、HLBが1以上5以下の、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、並びにグリセリン脂肪酸エステルからなる群から選ばれる1種以上のノニオン性化合物、
成分(D):カチオン性界面活性剤、及び、
成分(E):高級アルコール、
を含有し、
前記成分(A)及び前記成分(B)の合計含有量が1.0質量%未満である、毛髪化粧料組成物。 - 前記毛髪化粧料組成物中の前記成分(A)及び前記成分(B)の合計含有量が0.05質量%以上0.9質量%以下である、請求項1に記載の毛髪化粧料組成物。
- 前記毛髪化粧料組成物中の前記成分(C)の含有量が0.01質量%以上5.0質量%以下である、請求項1又は2に記載の毛髪化粧料組成物。
- さらに成分(F)として芳香族アルコールを含有する、請求項1~3のいずれか1項に記載の毛髪化粧料組成物。
- さらに成分(G)として非芳香族ポリオールを含有する、請求項1~4のいずれか1項に記載の毛髪化粧料組成物。
- 前記毛髪化粧料組成物が乳化組成物である、請求項1~5のいずれか1項に記載の毛髪化粧料組成物。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53139734A (en) | 1977-03-15 | 1978-12-06 | Oreal | Keratin treating composition |
JP2005166333A (ja) | 2003-12-01 | 2005-06-23 | Alps Electric Co Ltd | 多方向入力装置 |
JP2009242259A (ja) * | 2008-03-28 | 2009-10-22 | Kose Corp | ヘアコンディショニング組成物 |
JP2015166333A (ja) * | 2014-02-17 | 2015-09-24 | 花王株式会社 | 毛髪化粧料 |
JP2018080115A (ja) * | 2016-11-09 | 2018-05-24 | 株式会社 資生堂 | ジェル状毛髪用組成物 |
US20200206122A1 (en) * | 2018-12-31 | 2020-07-02 | L'oreal | Compositions containing ionic polymers for treating hair |
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- 2022-10-24 EP EP22886932.7A patent/EP4424383A1/en active Pending
- 2022-10-24 WO PCT/JP2022/039466 patent/WO2023074605A1/ja active Application Filing
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53139734A (en) | 1977-03-15 | 1978-12-06 | Oreal | Keratin treating composition |
JP2005166333A (ja) | 2003-12-01 | 2005-06-23 | Alps Electric Co Ltd | 多方向入力装置 |
JP2009242259A (ja) * | 2008-03-28 | 2009-10-22 | Kose Corp | ヘアコンディショニング組成物 |
JP2015166333A (ja) * | 2014-02-17 | 2015-09-24 | 花王株式会社 | 毛髪化粧料 |
JP2018080115A (ja) * | 2016-11-09 | 2018-05-24 | 株式会社 資生堂 | ジェル状毛髪用組成物 |
US20200206122A1 (en) * | 2018-12-31 | 2020-07-02 | L'oreal | Compositions containing ionic polymers for treating hair |
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