JP2003192546A - Hair cosmetic - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hair cosmetic which can make a uniform coating film on the surface of hair to repair and prevent the damage of the hair, is not sticky when used, can impart a good touch for a long time, and has a deformed hair-improving effect. <P>SOLUTION: This hair cosmetic is characterized by comprising (A) one or more protein derivatives each having a weight-average mol.wt. of 10,000 to 100,000 and (B) one or more silicone derivatives, and having an adjusted pH value of 3 to 8. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hair cosmetic composition, and more specifically, it forms a uniform film on the hair surface to repair and prevent hair damage, and gives a good feel for a long time without stickiness during use. The present invention relates to a hair cosmetic composition that can be used and is preferably used as a hair cream, a hair gel, a hair spray, a hair foam, a hair water, and the like.

[0002]

2. Description of the Related Art Conventionally, various protein derivatives have been used as a means for protecting hair, but the effect of restoration / prevention and the time for imparting the effect are not sufficiently satisfactory (Japanese Patent Laid-Open Publication No. 5 (1999) -58242).
9-88410, JP-A-3-11099, JP-A-3
-77810, JP-A-4-69319, JP-A-10
-17427 publication). Further, a hair cosmetic composition containing a protein derivative and a specific silicone derivative has been proposed, but it is sticky and the range of the molecular weight of the protein derivative is not particularly specified (Japanese Patent Laid-Open No. 9-27863).
No. 0, JP-A-10-81614). Further, there are some which describe the molecular weight of protein derivatives (Japanese Patent Laid-Open No. 11-1 / 1999).
No. 39941), it has not been considered to form a uniform coating of hair cosmetics on the hair.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and overcomes the drawbacks of the conventional hair cosmetics and forms a uniform coating of the hair cosmetics on the hair surface to form a branch. Hair, cuticle peeling, loss of stiffness,
An object of the present invention is to provide a hair cosmetic composition that repairs / prevents hair damage such as loss of luster, is not sticky during use, and has an excellent effect of imparting a good feel or a hairstyle for a long time.

[0004]

Means for Solving the Problems and Embodiments of the Invention The inventors of the present invention have conducted various studies in order to solve the above problems, and as a result, protein derivatives having a weight average molecular weight of 10,000 to 100,000 have been found to be hair. It was found that it repairs / prevents damage, imparts a smooth feel to the skin when used, and as a result of further diligent studies, the combined use of such protein derivatives and silicone derivatives has the desired effect for a long time. A uniform coating of a preparation which can be made to have a synergistic effect on the hair surface by adjusting the pH of the hair cosmetic composition within the range of 3 to 8 and which can synergistically suppress the dryness. The present invention has been completed and the present invention has been completed.

That is, the present invention provides (A) a weight average molecular weight of 1
One or two of 10,000 to 100,000 protein derivatives
Provided is a hair cosmetic comprising at least one and at least one silicone derivative (B) and having a pH adjusted to 3 to 8. Where (A) above
More preferably, the component is a protein derivative derived from animal protein or keratin.

The present invention will be described in more detail below. The protein derivative used as the component (A) of the present invention includes at least one of an animal protein-derived polypeptide and a plant protein-derived polypeptide, or both. Can be used in combination. The above-mentioned animal protein-derived polypeptide is
Collagen, gelatin, keratin, globin, silk protein,
It can be obtained by hydrolyzing animal proteins such as milk protein, egg white, egg yolk protein and elastin using acid, alkali, proteolytic enzyme or the like. Further, the vegetable protein-derived polypeptide is a vegetable protein such as soybean protein, natto protein, wheat protein, the same acid as above,
It can be obtained by hydrolysis with an alkali or a proteolytic enzyme. As the acid, alkali and proteolytic enzyme, known compounds used for hydrolyzing proteins can be used.

Further, a cationized protein-derived polypeptide obtained by reacting the above animal protein or the above plant protein with a cationizing agent such as hydroxypropyltrimethylammonium chloride can also be used. Also, a silylated protein-derived polypeptide obtained by reaction with a silylating agent such as 3-glycidoxypropylmethyldihydroxysilane can be used.
These may be used alone or in appropriate combination of two or more.

The weight average molecular weight of the protein derivative used in the present invention is 10,000 to 100,000, particularly 10,
It is preferably from 000 to 80,000, and more preferably from 10,000 to 50,000. If the molecular weight is too small, the desired effect will not be sufficiently exhibited, and if it is too large, stickiness will be exhibited.

The weight average molecular weight used in the present invention is 10,
Specific examples of the protein derivative of 000-100,000 include, for example, Proticute H gamma, Proticute C gamma, Proticute C gamma 12, Proticute U alpha, and Proticute C alpha from Ichimaru Falcos Co., Ltd. Commercially available protein derivatives and the like can be preferably used.

In the hair cosmetic composition of the present invention, the content of these specific protein derivatives is not particularly limited, but is usually 0.01 to 50% by mass, preferably 0 mass% with respect to the entire hair cosmetic composition. It is suitable to select in the range of 0.05 to 30% by mass, and more preferably 0.1 to 15% by mass.
If the blending amount is less than 0.01% by mass, the effect aimed at by the present invention may not be obtained, and if it exceeds 50% by mass, stickiness is exhibited, which is unfavorable to the touch as a hair cosmetic composition. It may be a feeling. In addition,
A suitable blending amount of each component in the hair cosmetic composition of the present invention is
When the hair cosmetic is an aerosol type containing a propellant, it is based on the total amount of the stock solution.

The type of the silicone derivative used as the component (B) of the present invention is not particularly limited as long as it can be incorporated into the hair cosmetic composition, and examples thereof include dimethylpolysiloxane, polyalkylether-modified silicone, and alkyl-modified. Examples thereof include silicones, amino-modified silicones, acrylic-modified silicones, crosslinkable silicones, methylsiloxane network polymers, silicone graft polymers and emulsions containing them. These may be used alone or in appropriate combination of two or more.

The dimethylpolysiloxane, polyalkylether-modified silicone, alkyl-modified silicone, amino-modified silicone, and acryl-modified silicone, which are the above silicone derivatives, are not particularly limited in viscosity, but the usability of hair cosmetics, etc. If you consider it, usually 25
Viscosity at 10 to 1,000,000 mm ² / s, especially 3
It is preferably 0 to 1,000,000 mm ² / s. Examples of the cross-linked silicone of the above-mentioned silicone derivative, methylsiloxane network polymer, and silicon graft polymer include KSG15 and KSG1 manufactured by Shin-Etsu Chemical Co., Ltd.
6, KSG18, KSG21, KP541, KP54
3, KP545, BY29-119, BY29-122, Trefil E-506C, Trefil E-508 manufactured by Toray Dow Corning Silicone Co., Ltd., Tospearl 105 and Tospearl 12 manufactured by Toshiba Silicone Co., Ltd.
0, Tospearl 130, Tospearl 145, Tospearl 3120, Tospearl 240, Tospearl 2000B and the like are particularly preferable.

In the hair cosmetic composition of the present invention, the content of these silicone derivatives is not particularly limited, but is usually 0.01 to 20% by mass, preferably 0.05 to 20 mass% with respect to the entire hair cosmetic composition. It is preferable to select in the range of 15% by mass, more preferably 0.1 to 10% by mass. If the blending amount is less than 0.01% by mass, it may be difficult to obtain the stickiness improving effect aimed at by the present invention, and if it exceeds 20% by mass, squeaking and stickiness may occur and the hair may be damaged. In some cases, the texture may be unfavorable as a cosmetic.

In the hair cosmetic composition of the present invention, the pH of the preparation is
Is 3 to 8, more preferably pH 4 to 7, and still more preferably pH 3.5 to 5.5. If the pH is less than 3, a uniform coating of the preparation cannot be formed on the hair surface, and if the pH is more than 8, hair damage cannot be repaired or prevented.

The pH buffering agent used in adjusting the hair cosmetic composition of the present invention to the above pH range is a pH buffering agent selected from organic acids, inorganic acids and salts thereof which have a buffering action in the range of pH 3-8. They may be used alone or in combination of two or more as appropriate. Examples of organic acids and inorganic acids include glycolic acid, citric acid, lactic acid, succinic acid,
Examples thereof include tartaric acid, fumaric acid, malic acid, levulinic acid, butyric acid, valeric acid, oxalic acid, maleic acid, mandelic acid, phosphoric acid, sulfuric acid and nitric acid. Examples of these salts include sodium salts, ammonium salts, potassium salts, alkanolamine salts such as triethanolamine salts, and the like. The compounding amount of the compound that provides the buffering capacity is not particularly limited, and may be appropriately adjusted depending on the kind of the compound that provides the buffering capacity.

In addition to the above-mentioned essential components, the hair cosmetic composition of the present invention may contain various additive components conventionally used in conventional hair cosmetic compositions, if desired, within a range that does not impair the object of the invention. .

Examples of these additional components include cationic surfactants such as stearyltrimethylammonium chloride, anionic surfactants such as alkyl sulfate ester salts, polyoxyethylene alkyl ethers and polyoxyethylene hydrogenated castor oil. Nonionic surfactants, amphoteric surfactants such as lauryldimethylaminoacetic acid betaine,
Polymeric resin for fixing hair such as polyvinylpyrrolidone and alkyl resin, bactericide, UV absorber, antioxidant, higher alcohol, hydrocarbon, ester oil, colorant, fragrance, solvent (ethanol, water, etc.), fatty acid, fine particles Powders, aerosol propellants, etc. may be mentioned.

These additive components may be used alone or in combination of two or more, and may be blended at an appropriate stage of preparing a hair cosmetic composition.

When a fragrance is added to the hair cosmetic composition of the present invention, the fragrance to be used is the same as the fragrance or fragrance composition described in Japanese Patent Application No. 2001-288532. Perfume composition is 0.0 with respect to the total amount
It is preferable to add it in an amount of 0001 to 50% by mass, and more preferably 0.0001 to 30% by mass.

The hair cosmetic composition of the present invention can be prepared and used in various shapes such as liquid, cream, aerosol, pump spray type, spray type, foam, gel, wax and the like. It can be prepared according to a conventional method.

Further, the hair cosmetic composition according to the present invention can be widely used as hair cream, hair gel, hair spray, hair foam, hair water, hair wax and the like.

When the hair cosmetic composition of the present invention is used, for example, as a foam-forming aerosol type, liquefied petroleum gas, nitrogen gas or the like can be used as a propellant to be blended. Further, as the preparation method, a usual method can be adopted. Specifically, for example, the water-soluble component and the oil-soluble component in the above components are separately dissolved and mixed, and in some cases, after further mixing these , The obtained solution and the propellant,
Both can be prepared and used in the same manner as in ordinary aerosol type cosmetics in which they are filled in a closed container.
On the other hand, in the case of forming a liquid composition, among the above components, a water-soluble component and an oil-soluble component are separately dissolved and mixed, and further, these are mixed and appropriately filled in a container to be used as a liquid hair cosmetic composition. can do.

[0023]

EFFECTS OF THE INVENTION The hair cosmetic composition of the present invention not only can form a uniform film on the hair surface to repair and prevent hair damage, but also has no stickiness during use and imparts a good feel for a long time. Moreover, the curly hair can be improved.

[0024]

EXAMPLES The present invention will be described in more detail below with reference to Examples and Comparative Examples, but the present invention is not limited to the following Examples. In addition,% in each example is% by mass.

[Examples 1 to 5 and Comparative Examples 1 to 5] Spray-type hair cosmetics having the compositions shown in Table 1 were prepared according to the following preparation method, and the hair makeups of Examples 1 to 5 and Comparative Examples 1 to 5 were prepared. Got paid. For each hair cosmetic, the feel during use (smoothness, non-greasiness, non-greasiness), sustainability (smoothness and non-greasiness), hair damage prevention effect,
The coating uniformity was evaluated by the following method. The results are also shown in Table 1.

<Preparation Method> After mixing the silicone emulsion and the components except purified water with ethanol to dissolve them,
A spray type hair cosmetic was prepared by mixing with purified water, further mixing with a silicone emulsion, and finally adding a pH adjusting agent into a spray type container.

<Evaluation Method> (1) Feeling After 20 female panelists shampooed and rinsed,
Each hair cosmetic was sprayed and the feel during use was evaluated according to the following criteria. ⊚: 16 or more out of 20 answered good: ○: 10 to 15 out of 20 answered good: Δ: 4 to 9 out of 20 answered good: ×: answered good Things are less than 4 out of 20

(2) Persistence: 20 female panelists shampooed and rinsed, sprayed their hair cosmetics, and after 6 hours and 12 hours, evaluated the sustainability of smoothness and dryness according to the following criteria. did. ⊚: 16 or more out of 20 answered good: ○: 10 to 15 out of 20 answered good: Δ: 4 to 9 out of 20 answered good: ×: answered good Things are less than 4 out of 20

(3) Damage prevention effect A hair bundle consisting of 1,000 hairs was prepared, dipped in each hair cosmetic, brushed 5,000 times, and then visually observed for the condition of the hair bundles. Count the number of hair and broken hair,
The following criteria evaluated. ◎: 20 or less ○: 21 to 50 Δ: 51 to 100 ×: 101 or more

(4) Uniformity of coating film After 20 female panelists shampooed and rinsed, the hair surface after spraying each hair cosmetic was observed with a scanning electron microscope and evaluated according to the following criteria. ◎: 20 people can not see the uneven pattern of the cuticle
15 or more out of 20 ○: 15 or more people out of 20 who can slightly see the uneven pattern of the cuticle △: 15 or more people out of 20 who can see the uneven pattern of the cuticle ×: The uneven pattern of the cuticle is clear 15 or more people who can be confirmed

[0031]

[Table 1]

Example 6 A hair gel having the following formulation was prepared according to a conventional method. Hydrolyzed keratin solution Note 4 8.0% Silicone emulsion Note 5 2.0 Silicone paste Note 6 5.0 Alkyl-modified carboxyvinyl polymer Note 7 1.0 Polyoxyethylene (60) hydrogenated castor oil 0.3 N-methacryloyloxy Ethyl N, N-dimethylaminoethyl-α-N-methylcarboxybetaine / methacrylic acid alkyl ester copolymer Note 8 1.0 Dihydroxybenzophenone 0.1 Methyl paraoxybenzoate 0.1 Triethanolamine 1.0 (pH 6. Adjusted to 5) Fragrance composition A 0.1 Ethanol 20.0 Purified water Remainder 100.0% Note 4: Proticute C gamma (Ichimaru Falcos Co., Ltd. weight average molecular weight 20,000-40,000) Note 5: Reoflow DMS-55 (manufactured by Lion Corporation; dimethyl polysiloxa) (100,000 mm ² / s) 55% containing) Note 6: KSG21 (Shin-Etsu Chemical Co., Ltd.) * 7: Carbopol 1342 (BF Goodrich Co.) Note 8: Yukaformer 510 (manufactured by Mitsubishi Chemical Corporation)

Example 7 A hair foam having the following formulation was prepared according to the following preparation method. Stock solution composition: Hydrolyzed keratin solution Note 9 10.0% Methyl polysiloxane (Polymerization degree n = 30) 4.0 Highly polymerized methyl polysiloxane (Polymerization degree n = 1030) 1.0 Cationized cellulose Note 10 0.4 Hyaluron Sodium acid 1.0 Dipropylene glycol 6.0 Stearyl trimethyl ammonium chloride Note 11 1.0 Polyoxyethylene (40) hydrogenated castor oil 1.0 Coconut oil fatty acid diethanolamide 0.3 N-coconut oil fatty acid acyl-L-glutamic acid Triethanolamine solution (30% aqueous solution) Note 12 0.05 Methyl paraoxybenzoate 0.1 Sodium citrate 0.05 (Adjusted to pH 5.0) Perfume composition B 0.05 Ethanol 20.0 Purified water Residual total 100 0.0% stock solution 92.0% LPG (4.5 kg / cm ² ) 8.0 % Note 9: Protectic C gamma 12 (manufactured by Ichimaru Falcos Co., Ltd., weight average molecular weight 20,000-40,000) Note 10: XK-503 (manufactured by Lion) Note 11: Arcard T-800 (manufactured by Lion) Note 12 : Amisoft CT-12 (manufactured by Ajinomoto Co.)

<Preparation Method> Components except methyl polysiloxane and highly polymerized methyl polysiloxane are mixed and filled in a pressure-resistant aluminum can, and then a mixed liquid containing methyl polysiloxane and highly polymerized methyl polysiloxane is filled, and an aerosol is prepared. Clinch with a valve. Finally, LPG was filled to obtain a foam agent.

[Embodiment 8] A non-aerosol having the following formulation
Ruhair foam was prepared according to a conventional method. Hydrolyzed keratin solution Note 13 10.0% Silicone emulsion Note 14 6.0 Dipropylene glycol 5.0 Polyoxyethylene (36) Polyoxypropylene (36) Butyl ether Note 15 1.0 Pyroglutamic acid isostearic acid Polyoxyethylene hydrogenated castor oil Note 16                                                             0.5 Pyroglutamic acid isostearic acid polyoxyethylene glyceryl Note 17                                                             1.5 Stearyl trimethyl ammonium chloride 1.0 Polyoxyethylene (30) stearyl ether 0.7 Glycerin monocetyl ether 0.2 Lauryl dimethylamine oxide liquid 0.5 Shiitake extract Note 18 0.5 Almond oil 0.01 Edetate tetrasodium tetrahydrate 0.05 Methyl paraoxybenzoate 0.1 Hydroxymethoxybenzophenone sulfonic acid (trihydrate) 0.05 Fragrance composition C 0.15 Citric acid 0.05                                                 (Adjusted to pH 5.0) Ethanol 15.0Purified water balance 100.0% in total Note 13: Proticate U Alpha (Ichimaru Falcos Co., Ltd. weight average molecular weight 25,000-45,000) Note 14: FZ-4188 (manufactured by Nippon Unicar; dimethyl silicone (100,000 mm ² / S) 35% included) * 15: UniLube 50MB-168 (Nippon Yushi Co., Ltd.) Note 16: CPI-30 (Nippon Emulsion Co., Ltd.) Note 17: GPI-25 (manufactured by Nippon Emulsion Co., Ltd.) Note 18: Shiitake extract (Maruzen Pharmaceutical Co., Ltd.)

Example 9 A hair wax having the following formulation was prepared according to a conventional method. Hydrolyzed keratin solution Note 19 5.0% Amodimethicone emulsion Note 20 3.0 Polyoxypropylene (14) diglyceryl ether 3.0 Shea butter Note 21 2.0 Carnauba wax 1.0 Almond oil 1.0 Vaseline 6.0 Silicone powder Note 22 2.0 Cetostearyl alcohol 8.0 N- [3-Alkyl (12,14) oxy-2-hydroxypropyl] -L-arginine hydrochloride solution Note 23 1.5 Glycerin monostearate 2.0 Sorbitan monostearate 2.0 Polyoxyethylene (4) distearate 0.5 Xanthan gum 1.0 Dihydroxybenzophenone 0.1 Methyl paraoxybenzoate 0.3 Propyl paraoxybenzoate 0.1 Phenoxyethanol 0.5 Citric acid 0.1 ( pH adjusted to 6.0) Sweetener composition D 0.2 Ethanol 2.0 Purified water balance Total 100.0% Note 19: Pro tee cute C alpha (Ichimaru Pharcos Co., Ltd. The weight average molecular weight 25,000～45,000) Note 20: SM8704C (manufactured by Toray Dow Corning Silicone Co., Ltd .; 40% aqueous solution) Note 21: Bioderma SX-19 (manufactured by Ichimaru Falcos Co., Ltd.) Note 22: Tospearl 2000B (manufactured by Toshiba Silicone Co., Ltd.) Note 23: Amisafe LMA-60 (manufactured by Ajinomoto Co., Inc.)

Example 10 A spray-type hair water having the following formulation was prepared according to a conventional method. Hydrolyzed keratin solution Note 24 3.0% Polyoxyethylene / methylpolysiloxane copolymer Note 25 1.0 Stearyltrimethylammonium chloride 0.5 Polyoxyethylene (40) Hardened castor oil 3.0 Polyoxypropylene (9) Diglyceryl ether 3.0 Sodium DL-pyrrolidonecarboxylate solution 4.0 Urea 0.5 Lactic acid 0.1 Oxybenzone 0.1 Methyl paraoxybenzoate 0.1 Citric acid 0.05 Sodium citrate 0.03 (pH 4.0) Fragrance composition E 0.05 ethanol 20.0 purified water balance 100.0% Note 24: Proticute U alpha (manufactured by Ichimaru Falcos Co., Ltd., weight average molecular weight 25,000-45,000) Note 25: KF- 6004 (manufactured by Shin-Etsu Chemical Co., Ltd.)

With respect to Examples 6 to 10 as well, the feeling of use was evaluated by the same evaluation method as in Example 1, and all of them were smooth, non-greasy and non-greasy.
The smoothness and dullness were maintained, the hair damage prevention effect was excellent, and the film was uniform.

The fragrance composition A used in each of the above examples,
B, C, D and E are based on the fragrance compositions A to E described in Tables 5 to 19 of Japanese Patent Application No. 2001-288532.

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 4C083 AA082 AA112 AA122 AC012                       AC072 AC102 AC172 AC182                       AC212 AC302 AC402 AC422                       AC432 AC442 AC482 AC532                       AC542 AC562 AC582 AC612                       AC642 AC662 AC692 AC792                       AD042 AD092 AD132 AD151                       AD152 AD162 AD332 AD352                       AD411 AD412 AD441 AD442                       CC31 CC32 DD08 DD22 DD41                       EE07 EE28 EE29

Claims (2)

[Claims] 1. (A) Weight average molecular weight 10,000 to 1
One or more of 0,000 protein derivatives,
(B) A hair cosmetic containing one or more silicone derivatives and having a pH adjusted to 3-8. 2. The hair cosmetic composition according to claim 1, wherein the component (A) is a protein derivative derived from animal protein or keratin.