JP2002012528A - Oxidation hair dye - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an oxidation hair dye which retains the stability of an oxidation dye, has an excellent dyeing force, can easily be mixed and can readily be washed out. SOLUTION: This oxidation hair dye is a two-part oxidation hair dye comprising the first agent containing an oxidation dye and the second agent containing an oxidizing agent, characterized in that the first agent is a water/oil/water type multiple emulsion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an oxidative hair dye. More specifically, a two-part oxidative hair dye,
The present invention relates to an oxidative hair dye having improved ease of mixing and rinsing by forming one agent into a specific dosage form.

[0002]

2. Description of the Related Art Oxidative hair dyes are required to have an appropriate viscosity in order to be easily held on hair at the time of use and to prevent dripping. For this reason, the oxidative hair dye composition is often prepared as an emulsion.

[0003] As an emulsion of an oxidized hair dye composition, oil-in-water type (hereinafter, referred to as "hereinafter") has been conventionally used from the viewpoint of simplicity of preparation and usability.
(Also referred to as O / W type) emulsion.

On the other hand, as disclosed in JP-A-9-002924 and JP-A-10-0667624, the first agent is used as a water-in-oil type (hereinafter also referred to as W / O type) emulsion. By doing so, there has been proposed an oxidation hair dye which improves the stability of an oxidation dye as a main agent and has excellent dyeing power.

[0005]

However, in the above-mentioned oxidative hair dye, the first agent in the form of a W / O emulsion changes its phase to the O / W type when mixed with the second agent. However, if the mixing is insufficient, the first agent does not phase-convert sufficiently and W / O
There was a problem that the type emulsion adhered to the hair and it was difficult to wash away.

The inventors of the present invention have conducted intensive studies from the above viewpoints and as a result, have found that the first agent is a water / oil / water type composite (hereinafter referred to as W / O /
When the emulsion is in the form of an emulsion, the above-mentioned problems are solved, and it is found that an oxidative hair dye which is easily mixed with the second agent and has excellent dyeing power can be obtained, thereby completing the present invention. Reached.

It is an object of the present invention to provide an excellent dyeing power while maintaining the stability of an oxidation dye as a main agent, to facilitate mixing of a first agent and a second agent, and to facilitate washing after dyeing. An object of the present invention is to provide an oxidative hair dye of a dosage form.

[0008]

That is, the present invention relates to a two-part type oxidative hair dye comprising a first part containing an oxidation dye and a second part containing an oxidizing agent, wherein the first part comprises a first part. But water / oil /
It is intended to provide an oxidative hair dye, which is a water-based complex emulsion.

[0009] The present invention also relates to the first agent in the oil phase,
An object of the present invention is to provide the oxidative hair dye containing a higher alcohol.

Further, the present invention relates to a first agent which is used in combination with a second agent containing an oxidizing agent of a two-part type oxidative hair dye, wherein the first agent contains an oxidation dye, and contains water / oil / It is intended to provide a first agent for an oxidative hair dye, which is a water-based complex emulsion.

Further, the present invention provides the above-mentioned first agent for oxidative hair dye, wherein the first agent which is a water / oil / water complex emulsion contains a higher alcohol in the oil phase. To provide.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be described below in detail.

The oxidative hair dye of the present invention is a two-part oxidative hair dye comprising a first agent containing an oxidizing dye and a second agent containing an oxidizing agent. The first agent containing an oxidation dye is used by being mixed with a second agent containing an oxidizing agent immediately before application to hair.

The oxidation dye used in the first agent is, for example, p-
Phenylenediamine, p-toluylenediamine, N-methyl-p-phenylenediamine, N, N-dimethyl-p
-Phenylenediamine, N, N-diethyl-dimethyl-
p-phenylenediamine, N-ethyl-N- (hydroxyethyl) -p-phenylenediamine, chloro-p-phenylenediamine, N, N-bis- (2-hydroxyethyl) -p-phenylenediamine, methoxy-p- Phenylenediamine, 2,6-dichloro-p-phenylenediamine, 2-chloro-6-bromo-p-phenylenediamine, 2-chloro-6-methyl-p-phenylenediamine, 6-methoxy-3-methyl-p- One or several NH ₂ — groups such as phenylenediamine, 2,5-diaminoanisole, N- (2-hydroxypropyl) -p-phenylenediamine, N-2-methoxy-6-p-phenylenediamine, NHR ₁ - or N (R _{1) 2} - having a group (R ₁ represents an alkyl or hydroxyalkyl group having 1 to 4 carbon atoms) p- diamines; 2,5-diaminopyridine derivatives; para-aminophenol, 2-methyl-4-
Aminophenol, 3-methyl-4-aminophenol,
2-chloro-4-aminophenol, 3-chloro-4-
Aminophenol, 2,6-dimethyl-4-aminophenol, 3,5-dimethyl-4-aminophenol,
P-aminophenols such as 2,3-dimethyl-4-aminophenol, 2,5-dimethyl-4-aminophenol, 2,4-diaminophenol, and 5-aminosalicylic acid; o-cresol; m-cresol; , 6-dimethylphenol, 2,5-dimethylphenol, 3,
4-dimethylphenol, 3,5-dimethylphenol, benzcatechin, pyrogallol, 1,5-dihydroxynaphthalene, 1,7-dihydroxynaphthalene, 5
-Amino-2-methylphenol, hydroquinone, 2,
4-diaminoaniol, m-toluylenediamine, 4
-Aminophenol, resorcinol, resorcinol monomethyl ether, m-phenylenediamine, 1-phenyl-
3-methyl-5-pyrazolone, 1-phenyl-3,5-
Diget-pyrazolidine, 1-methyl-7-dimethyl-amino-4-hydroxy-2-quinolone, m-aminophenol, 4-chlororesorcin, 2-methylresorcin, 2,4-diaminophenoxyethanol, 3,5-
Diamino-trifluoromethylbenzene, 2,4-diamino-fluorobenzene, 3,5-diamino-fluorobenzene, 2,4-diamino-6-dihydroxypyrimidine,
2,4,6-triaminopyrimidine, 2-amino-4,
6-dihydroxypyrimidine, 4-amino-2,6-dihydroxypyrimidine, 4,6-diamino-2-hydroxypyrimidine, 2,6-diaminopyrimidine, 2-amino-4-nitrophenol, 2-amino-5-nitro Phenol, nitro-p-phenylenediamine hydrochloride, nitro-p-phenylenediamine, p-aminophenylsulfamic acid, p-nitro-o-phenylenediamine,
Picramic acid, sodium picramate, picric acid,
Chrome brown RH, hematein, nitro-p-phenylenediamine sulfate, -p-nitro-o-phenylenediamine sulfate, -p-nitro-m-phenylenediamine sulfate, 1-amino-4-methylaminoanthraquinone,
1,4-diaminoanthraquinone and the like.

In the present invention, it is essential that the first agent is in the form of a W / O / W emulsion, but the main agent is contained in the internal aqueous phase as a drug phase. The inner aqueous phase usually contains
In addition to the above-mentioned main agent, ammonia, amines such as monomethylammonium and trimethylammonium, diammonium hydrogen phosphate, sodium carbonate and the like are contained as alkaline agents.

In the W / O / W emulsion of the first agent, the oil component constituting the oil phase is not particularly limited, and examples thereof include hydrocarbons such as liquid paraffin, squalane, petrolatum, microcrystalline wax, and beeswax; Oil, camellia oil, macadamia nut oil, corn oil,
Mink oil, olive oil, rapeseed oil, sesame oil, castor oil,
Linseed oil, safflower oil, cottonseed oil, soybean oil, jojoba oil,
Liquid oils such as triglycerin; solid oils such as cocoa butter, coconut oil, hydrogenated coconut oil, palm oil, beef tallow, hydrogenated tallow, palm kernel oil, hydrogenated oil, mocro, castor oil; waxes such as lanolin; isopropyl myristate , Cetyl octanoate, octyl dodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyl decyl dimethyl octanoate, cetyl lactate, myristyl lactate, lanolin acetate, isocetyl stearate, isostearin Isocetyl acid, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexanoate, fatty acid ester of dipentaerythritol, N-alkyl glycol monoisostearate, neopentyl glycol dicaprate Diisostearyl malate, di
Glycerin-2-heptylundecanoate, trimethylolpropane tri-2-ethylhexanoate, trimethylolpropane triisostearate, pentaerythritol tetra-2-ethylhexanoate, glycerin tri-2-ethylhexanoate, glycerin trioctanoate, triglycol Glycerin isopalmitate, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate, glyceryl trimmyristate,
Tri-2-heptylundecanoic acid glyceride, castor oil fatty acid methyl ester, oleyl oleate, acetoglyceride, 2-heptylundecyl palmitate, diisobutyl adipate, N-lauroyl-L-glutamic acid-2-
Octyldodecyl ester, di-2-heptylundecyl adipate, ethyl laurate, di-2-ethylhexyl sebacate, 2-hexyldecyl myristate, 2-hexyldecyl palmitate, 2-hexyldecyl adipate,
Ester oils such as diisopropyl sebacate, 2-ethylhexyl succinate and triethyl citrate; higher fatty acids such as lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, isostearic acid; dimethylpolysiloxane, methylphenylpoly Silicone oils such as siloxane, diphenylpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dimethylsiloxane / methyl (polyoxyethylene) siloxane copolymer, silicone rubber, amino-modified polysiloxane; fluorine oil; lauryl alcohol; Cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, batyl alcohol, 2-decylteto Deshinoru, lanolin alcohol, cholesterol, phytosterol, hexyl dodecanol, isostearyl alcohol, octyl dodecanol, may be used higher alcohols such as decyl tetradecanol.

From the viewpoint of dyeing power, it is preferable to use a higher alcohol in the oil phase, and it is preferable to blend 10 to 100% by weight based on the total amount of the oil constituting the oil phase.

Particularly preferred higher alcohols are higher alcohols which show a liquid state at 20 ° C., such as oleyl alcohol, isostearyl alcohol, hexyldecanol and octyldodecanol.

The W / O / W emulsion of the first agent can be prepared by a usual emulsification method. For example, to an oil phase composed of an oil component and a lipophilic activator, an aqueous phase containing a main ingredient composed of an oxidation dye and an alkali agent is added, and a homogenizer is added.
A W / O type emulsion is prepared by giving mechanical energy from the outside by an emulsifier usually used for emulsification such as a disper mixer, a colloid mill, and manton gauulin,
A one-stage emulsification method in which an aqueous phase is further added thereto, or a two-stage emulsification method in which a W / O type emulsion is added to and dispersed in an aqueous phase is used. It is also possible to separately prepare a W / O emulsion containing the main ingredient and an O / W emulsion containing other components, and mix them.

In the present invention, the lipophilic activator functioning as an emulsifier is not particularly restricted but includes, for example, POE alkyl ether, glycerin alkyl ether, sucrose fatty acid ester, POE alkyl-modified silicone, decaglycerin fatty acid ester and the like. It is also possible to use an organically modified clay mineral as an emulsifier.

The second agent mixed with the first agent obtained above contains an oxidizing agent. The oxidizing agent is not particularly limited as long as it can form an oxidative dye of the first agent. Hydrogen oxide, sodium percarbonate, sodium perborate, bromate, persulfate and the like are used.

The dosage form of the second agent containing the oxidizing agent is not particularly limited, and any liquid, gel, cream, etc. can be used as long as it can be easily mixed with the first agent and can maintain an appropriate viscosity during mixing. Any form such as an emulsification type such as a shape is not limited.

In the present invention, one or both of the first agent and the second agent may contain other components used in a usual oxidative hair dye composition, such as a fragrance, a pH adjuster, an aromatic alcohol, a preservative, A humectant, a water-soluble thickener, an ultraviolet absorber, a sequestering agent, and the like can be appropriately compounded within a range that does not impair the effects of the present invention.

[0024]

Next, the present invention will be described more specifically with reference to examples. The present invention is not limited to only these examples. The compounding amount is% by weight.

"Preparation of First Agent for W / O / W Oxidative Hair Dye" The dye phase (aqueous phase) shown in Table 1 was added to the oil phase, and the W / O / W
A type emulsion was prepared and added to the external aqueous phase shown in Table 1 to prepare a first agent for a W / O / W type oxidative hair dye of the present invention.

On the other hand, as a comparative example, an external aqueous phase was added to a dye phase (aqueous phase), and this was added to an oil phase to prepare a W / O emulsion.

[0027]

[Table 1]

"Preparation of Second Agent" According to the formulation shown in Table 2, a second agent containing an oxidizing agent was prepared.

[0029]

[Table 2]

"Evaluation of Ease of Mixing, Ease of Washing, and Dyeing Power" (1) 10 g of the first agent shown in Table 1 and the second agent shown in Table 2
10 g of the agent was added, mixed using a brush, and the ease of mixing was evaluated. <Evaluation Criteria> ：: Uniform in less than 30 seconds △: Uniform in 30 seconds to less than 1 minute ×: It takes 1 minute or more until uniform (2) Next, mix the hair dye with 10 g), left for 20 minutes, washed off with a commercially available shampoo, and evaluated the ease of washing off. <Evaluation criteria> ： １: Good rinsing with one shampoo treatment △: Good rinsing with two shampoo treatments ×: Good rinsing with three or more shampoo treatments (3) The gray hair bundle was dried, the color difference (ΔE) before and after dyeing was determined, and the dyeing power was evaluated. <Evaluation Criteria> ：: ΔE is 40 or more ○: ΔE is 35 or more and less than 40 Δ: ΔE is 30 or more and less than 35 ×: ΔE is less than 30

Table 3 shows the evaluation results. In each column,
"Upper: easy to mix, middle: easy to wash, lower:
It shows the evaluation results of "dyeing power".

[Table 3]

As is evident from the results in Table 3, the examples of the present invention have excellent effects in comparison with the comparative examples in all of the easiness of mixing, rinsing, and dyeing power. .

The following are other examples of the first agent.

“Example 2” 1 Purified water (1) 15.0 2 Paraphenylenediamine 1.0 3 Metaphenylenediamine 0.24 Resorcinol 0.5 5 Orthoaminophenol 0.26 Sodium hydrosulfite 0. 17 L-ascorbic acid 0.58 aqueous ammonia (28%) 5.0 9 liquid paraffin 15.0 10 octamethylcyclopentasiloxane 5.0 11 beeswax 1.0 12 glyceryl trioctanoate 1.0 13 behenyl alcohol 2 0.014 polyether-modified silicone 2.0 15 sucrose oleate 2.0 16 perfume suitable amount 17 ethylparaben suitable amount 18 purified water (2) balance 19 salt 1.0 20 propylene glycol 5.0 21 trehalose 1.0 22 EDTA salt 0.5 23 self milk Glycerin stearate 3.0 [Preparation method] As a first step, an oil phase in which components 9 to 17 were uniformly dissolved at 80 ° C. was cooled to room temperature, and an aqueous phase in which components 1 to 8 were uniformly dissolved was gradually added. W / O by homogenous dispersion with homodisper
A mold emulsion was prepared. In the second step, the W / O emulsion prepared in the first step was added to the uniformly dissolved 18 to 23, and dispersed with a weak stirring force to produce a W / O / W first agent. The first agent obtained had good stability and excellent useability and hair dyeing effect.

Example 3 <Preparation of W / O Emulsion> 1 Purified water (1) 15.0 2 Paraphenylenediamine 0.5 3 Resorcinol 0.5 4 Orthoaminophenol 0.25 Monoethanolamine 1 0.06 sodium hydrosulfite 0.17 L-ascorbic acid 0.58 aqueous ammonia (28%) 3.09 salt 1.010 cationized cellulose 1.011 ethylcellulose (N-22) 0.5 12 Ethanol 1.0 13 Isostearyl alcohol 7.0 14 Methylphenyl polysiloxane 8.0 15 Fragrance Appropriate amount <Preparation of O / W emulsion> 16 Purified water (2) Remaining 17 1,3 Butylene glycol 10.0 18. 18 Butylparaben Appropriate amount 19 EDTA salt 0.5 20 POE (20) Oleyl ether 2.5 2 Liquid paraffin 10.0 22 cetyl alcohol 4.0 23 oleyl alcohol 3.0 24 microcrystalline wax 0.5 [Production method] As a first step, 1 to 10 are uniformly dispersed in an oil phase in which components 11 to 15 are uniformly dissolved. The dissolved aqueous phase was gradually added, and uniformly dispersed with a homodisper to prepare a W / O emulsion. As a second step, 2
1 to 24 were added to 16 to 20 heated to 70 ° C. and uniformly dispersed with a homomixer to prepare an O / W emulsion,
After cooling to room temperature, the W / O emulsion prepared in the first step was added and dispersed with a weak stirring force to produce a W / O / W emulsion. The obtained first agent had good stability and excellent usability and dyeability.

Example 4 <Preparation of W / O Emulsion> 1 Purified water (1) 15.0 2 Paraphenylenediamine 0.5 3 Monoethanolamine 1.5 4 Resorcin 1.05 2,6 diamino Pyridine 0.26 Sodium hydrosulfite 0.17 L-ascorbic acid 0.58 Ammonia water (28%) 7.09 PEG 1500 2.0 10 10 Organically modified clay mineral 1.5 11 PEG dioleate 2.0 12 liquid paraffin 10.0 13 isostearic acid 1.014 perfume appropriate amount <Preparation of O / W emulsion> 15 purified water (2) remainder 16 sorbit 5.0 17 propylene glycol 5.0 18 EDTA salt 0.1 19 methyl poly Siloxane 5.0 20 Decamethylpentacyclosiloxane 5.0 21 Polyether-modified Corn 2.0 22 Self-emulsifying glyceryl stearate 3.0 23 Cetyl alcohol 1.0 24 Octyl dodecanol 2.0 25 Spherical polyethylene powder 2.0 [Production method] As a first step, components 10 to 14 were uniformly dissolved. An aqueous phase in which 1 to 9 were uniformly dissolved was gradually added to the oil phase, and the mixture was uniformly dispersed with a homodisper to prepare a W / O emulsion. In the second step, the mixture was heated to 50 ° C. and uniformly dispersed.
To 25 to 15 to 18 and uniformly dispersed with a homomixer to prepare an O / W emulsion, and after cooling to room temperature, add the W / O emulsion prepared in the first step and disperse with weak stirring power. Then, a W / O / W emulsion was produced. The obtained first agent had good stability and excellent usability and dyeability.

Example 5 <Preparation of W / O emulsion> 1 Ethyl cellulose (N-50) 0.2 2 Ethyl cellulose (N-7) 0.23 Ethanol 1.0 4 Isoparaffin 3.05 Decyltetra Decanol 10.0 6 Phenyltrimethicone 10.0 7 Perfume Appropriate amount 8 Toluene-2,5-diamine sulfate 0.59 Para-aminoorthocresol 0.5 10 Orthochloroparaphenylenediamine sulfate 0.5 11 Purple No. 401 (Aliz Roll purple) 1.012 Sodium hydrosulfite 0.213 L-ascorbic acid 0.514 ammonia water (28%) 7.015 monoethanolamine 5.0 16 propylene glycol 5.0 17 purified water 25. 4 <Preparation of O / W emulsion> 18 Cetanol 0.4 19 Tylpolysiloxane 0.8 20 Decamethylcyclopentasiloxane 3.0 21 Cetyl 2-ethylhexanoate 3.0 22 POE glyceryl monostearate 0.123 Glycerin 3.0 24 POE (25) POP (30) copolymer 0 0.225 carboxyvinyl polymer 0.226 alkyl methacrylate copolymer 0.127 potassium hydroxide 0.0628 methyl paraben 0.129 EDTA salt 0.130 purified water balance [Preparation process] An aqueous phase in which components 8 to 17 were uniformly dissolved was gradually added to an oil phase in which components 1 to 7 were uniformly dissolved under homodisper stirring to prepare a W / O emulsion. As a second step, the aqueous phase in which the components 23 to 30 are uniformly dissolved,
The oil phase in which the components 18 to 22 were uniformly dissolved was gradually added under homodisper stirring to prepare an O / W emulsion. The W / O obtained in the first stage is added to the obtained O / W emulsion.
The emulsion was added under paddle stirring to produce a W / O / W emulsion.

[Example 6] <Preparation of W / O emulsion> 1 Liquid paraffin 10.0 2 Cetanol 2.0 3 POE oleyl ether 5.0 4 Decyltetradecanol 3.0 5 Perfume Appropriate amount 6 Ammonia water ( 10.0 7 Propylene glycol 5.0 8 Purified water 21.5 <Preparation of O / W emulsion> 9 Phenyltrimethicone 5.0 10 Methylpolysiloxane 5.0 11 Cetyl 2-ethylhexanoate 5.0 12 POE glyceryl monostearate 0.1 13 glycerin 5.0 14 POE (25) POP (30) copolymer 0.215 carboxyvinyl polymer 0.216 alkyl methacrylate acrylate copolymer 0.217 methyl paraben 1 18 EDTA salt 0.1 19 Purified water Remaining [Preparation method] First stage To, the oil phase were uniformly dissolve the components 1-5, it was gradually added an aqueous phase were uniformly dissolved components 6-8 under homodisper stirring to prepare a W / O type emulsion. As a second step, an oil phase in which components 13 to 19 were uniformly dissolved was gradually added to an aqueous phase in which components 9 to 12 were uniformly dissolved under homodisper stirring to prepare an O / W emulsion. The W / O emulsion obtained in the first step was added to the obtained O / W emulsion under paddle stirring to produce a W / O / W emulsion.

[0039]

The first agent of the oxidative hair dye of the present invention is characterized in that, during storage, all or a part of the oxidative dye is contained in the innermost aqueous phase, and is not oxidized by air. Stability can be improved. Further, at the time of use, since the W / O type emulsion is not directly applied to the hair, the excess hair dye can be easily removed at the time of washing.
Further, by containing a higher alcohol in the oil constituting the W / O / W emulsion, the hair dyeing power can be further enhanced.

According to the present invention, it is possible to provide an oxidized hair dye which is easily mixed with the second agent containing an oxidizing agent, is easily washed off, and has an excellent hair dyeing effect.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kazuya Shibata 2-2-1 Hayabuchi, Tsuzuki-ku, Yokohama-shi, Kanagawa Prefecture Inside Shiseido Research Center (Shin-Yokohama) (72) Inventor Kimio Ohno Tsuzuki-ku, Yokohama-shi, Kanagawa 2-2-1 Hayabuchi Shiseido Research Center (Shin-Yokohama) F term (reference) 4C083 AA082 AB032 AB052 AB352 AB412 AB442 AC012 AC022 AC071 AC072 AC092 AC102 AC122 AC172 AC182 AC392 AC402 AC472 AC482 AC542 AC552 AC622 AC782 AC792 AC852 AD022 AD04 AD04 AD092 AD132 AD152 AD162 AD172 AD212 AD222 AD262 AD642 BB21 BB53 CC36 DD31 EE07 EE26

Claims (4)

[Claims] 1. A two-part oxidative hair dye comprising a first part containing an oxidation dye and a second part containing an oxidizing agent,
An oxidative hair dye, wherein the first agent is a water / oil / water complex emulsion. 2. The oxidative hair dye according to claim 1, wherein the oil phase of the first agent, which is a water / oil / water complex emulsion, contains a higher alcohol. 3. A two-part oxidative hair dye, a first part used in combination with a second part containing an oxidizing agent, which contains an oxidizing dye and is a water / oil / water type complex emulsion. A first agent for an oxidative hair dye, wherein the first agent is a product. 4. The first agent for an oxidative hair dye according to claim 3, wherein the oil phase of the first agent, which is a water / oil / water complex emulsion, contains a higher alcohol.