JPH10212219A - Acidic hair-dyeing material composition for head hair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject composition excellent in dyeing property, wash- resistant property, spreadability in application to hair, touch and adhesiveness to hair by mixing acrylic aid-alkyl methacrylate copolymers, alchols and dyestuffs. SOLUTION: This acidic hair-dyeing material composition for head hair is obtained by mixing (A) 0.1-15wt.% of an acrylic acid-alkyl methacrylate copolymer, (B) preferably 1-50wt.% of alcohols comprising a mixture of benzyl alcohol and ethanol, (C) 0.001-3wt.% of dye, e.g. triphenylmethane dye, azo dye, quinoline dye, xanthine dye, indigo dyes and anthraquinone dye, and when necessary, (D) a pH regulator and (E) water, and when necessary, adding and oil, surfactant and solvent. This composition is usable by means of applicator method, brushing method and coating with comb and brush.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is extremely excellent in dyeing properties, washing resistance (less discoloration), spreadability (ease of adaptation) when applied to hair, texture, and adhesion to hair. And an acidic hair dye composition for hair.

[0002]

2. Description of the Related Art Conventionally, an acidic hair dye composition for hair contains an acid dye, an alcohol, an organic solvent, and an acid for adjusting pH, and is easy to apply to hair at the time of hair dyeing. In order to prevent the occurrence of a thickening agent, a thickener is incorporated. However, in order to enhance the hair dyeing effect,
Must be prepared on the acidic side, and at present, the types of thickeners used under such acidic conditions are limited.

Among them, xanthan gum is known as an effective thickener (Japanese Patent Publication No. 2-322).
No. 53). However, conventionally known hair dyes containing xanthan gum have a drawback that they do not spread easily when applied to hair at the time of hair dyeing and are difficult to spread on hair.

[0004] Recently, it has been known to use a carboxyvinyl polymer as a thickener (Japanese Patent Application Laid-Open No. 7-101841). However, it is still not satisfactory in terms of texture and the like. For practical use, further improvement is desired.

[0005]

SUMMARY OF THE INVENTION An object of the present invention is to solve the drawbacks of acidic hair dyes so far, and to provide dyeing properties, washing resistance (less discoloration), and spreadability when applied to hair. It is an object of the present invention to provide an acidic hair dye composition for hair which is extremely excellent in ease of adaptation, texture, adhesion to hair, and the like.

[0006]

Means for Solving the Problems The present inventors have made intensive studies to achieve the above object. In the course of this process, the incorporation of an acrylic acid / alkyl methacrylate copolymer, which is mainly used as a thickener, as a stabilizer of an emulsion and as a viscosity modifier, was studied.

However, even if the acrylic acid / alkyl methacrylate copolymer is blended with a general acidic hair dye,
Under acidic conditions, the effect of thickening was poor, and when used as a hair dye, it was poorly spreadable and familiar, and could not be used as an acidic hair dye.

However, in a subsequent study, when at least one of alcohols is blended with the acrylic acid / alkyl methacrylate copolymer, the drawbacks of the conventional acidic hair dye are solved, and the dyeing property and washing resistance (color It has been found that an acidic hair dye having very excellent spreadability (ease of conformity) when applied to hair, texture, and adhesion to hair can be obtained.

The present invention has been completed based on such findings.

That is, the present invention provides an acidic hair dye composition for hair comprising (a) an acrylic acid / alkyl methacrylate copolymer, (b) an alcohol, and (c) a dye. Things.

In the present invention, by blending at least one of the above-mentioned specific thickeners, it has good adhesion to hair and is easy to adjust to hair, so that the acidic hair dye composition for hair of the present invention In the same manner as the acidic hair dye composition for hair of the present invention, for example, an applicator (a method of applying directly to the hair from a container), a brush application (a method of applying to the hair with a brush), a comb, a brush application (a comb, a brush Method of removing and applying hair).

The acidic hair dye of the present invention comprises (a) a blending amount of an acrylic acid / alkyl methacrylate copolymer, (b) a kind of alcohol, (a) an acrylic acid / alkyl methacrylate copolymer and (b) It is possible to adjust the viscosity by adjusting the mixing ratio with the alcohols, thereby making it possible to prepare a hair dye having a wide viscosity range.

The above (a) acrylic acid / alkyl methacrylate copolymer is usually blended in an amount of about 0.1 to 15% by weight based on the total weight of the acidic hair dye composition for hair. Also,
(B) The alcohol is usually blended in an amount of about 1 to 50% by weight based on the total weight of the acidic hair dye composition for hair. Further, the dye (c) is usually added in an amount of about 0.0001 to 3% by weight.

The acidic hair dye composition for hair of the present invention usually further comprises (d) a pH adjuster and (e) water.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION (a) Acrylic acid / alkyl methacrylate copolymer The acrylic acid / alkyl methacrylate copolymer used in the present invention comprises acrylic acid and alkyl methacrylate (particularly C _10-30 alkyl ester). ), Especially those having good dispersibility in water, and having the property of being hard to produce cages when mixed with water at room temperature, and having the property of becoming a viscous liquid. Is suitable.

The acrylic acid / alkyl methacrylate copolymer may be a commercially available product. Examples of such a commercially available product include Carbopol ETD 2020,
Carbopol 1342, Carbopol 1382 (both manufactured by Goodrich, trade name) and the like. These may be used alone or in combination of two or more.

The acrylic acid / alkyl methacrylate copolymer is generally blended in an amount of about 0.1 to 15% by weight based on the total weight of the acidic hair dye composition for hair.
Preferably, it is blended in an amount of about 0.5 to 10% by weight.
If it is less than 0.1% by weight, it is not possible to impart an appropriate viscosity, and it is easy to cause dripping. If it exceeds 15% by weight, the viscosity becomes too high, and it is very good in terms of familiarity with hair. The effect may not be obtained.

(B) Alcohols The alcohols are not particularly limited,
Known ones conventionally used in acidic hair dye compositions for hair can be widely used. Specifically, ethanol, butanol, isopropanol, cyclohexanol, benzyl alcohol, monohydric alcohols such as phenoxyethanol, ethylene glycol, propylene glycol, butylene glycol, glycerin, diglycerin,
And polyhydric alcohols such as saccharides such as dipropylene glycol and sucrose. These may be used alone or in combination of two or more.

Among them, it is particularly preferable to mix and mix benzyl alcohol and ethanol in view of dyeability and texture.

The compounding amount of alcohols is, for example,
It is advisable to mix it in an amount of 1 to 50% by weight, preferably 10 to 50% by weight, based on the total weight of the acidic hair dye composition for hair. If the amount is less than 1% by weight, the effect of improving the above-mentioned adhesion and conformity tends to be low, and if it is contained in an amount exceeding 50% by weight, no more remarkable effect is obtained.

(C) Dye The dye used in the present invention is preferably a dye which is permitted to be used for coloring pharmaceuticals, quasi-drugs and cosmetics which do not show harmful effects on the human body, The legal dyes described in "Ministerial Ordinance for Specifying Tar Colors That Can Be Used in Pharmaceuticals and the like" are extremely effective, and one or more of these can be blended. More specifically, the dyes used in hair dyes as the acid dyes can be used in a wide range, but the following are particularly preferred.

Specifically, triphenylmethane dyes such as blue No. 1, azo dyes such as orange No. 205,
Quinoline dyes such as yellow No. 203, xanthine dyes such as red No. 106, indigo dyes such as blue No. 2,
Anthraquinone dye such as purple No. 401, yellow 403
And nitro-based dyes such as (1).

The amount of the dye is not particularly limited as long as it is a compounding amount which is usually added. For example, the amount is 0.0001 to 0.0001 to the total weight of the acidic hair dye composition for hair.
It is advisable to add 3% by weight, preferably 0.5 to 2.5% by weight.

The above components (a), (b) and (c)
It is an essential component of the acidic hair dye composition for hair of the present invention,
The acidic hair dye composition for hair of the present invention usually contains a pH adjuster and water, and may further contain an oil agent, a surfactant, a solvent, and the like, if necessary. Hereinafter, these components will be described.

(D) pH Adjusting Agent For the purpose of adjusting the pH, an acidic hair coloring composition for hair of the present invention may be blended with a pH adjusting agent.

The pH adjuster for adjusting the pH is not particularly limited, and a wide range of known acids or alkalis can be used, and specific examples thereof include the following.

Examples of the acid include organic acids such as glycolic acid, malic acid, acetic acid, lactic acid, oxalic acid, tartaric acid, citric acid and levulinic acid, and inorganic acids such as phosphoric acid and hydrochloric acid.

Examples of the alkali agent to be added for buffering the pH include inorganic or organic alkali agents such as sodium hydroxide, potassium hydroxide, monoethanolamine, triethanolamine and aminopropanol, and basic amino acids such as arginine. it can. Neutral amino acids such as alanine and L-threonine can also be exemplified as the pH adjuster.

These pH adjusters may be used alone or in combination of two or more. When a pH adjuster is used, the pH of the acidic hair dye composition for hair is 1.5 to
The amount is preferably 4.5, preferably 2.5 to 4.0.

(E) Normally purified water is blended as water. As the amount of water,
It is the remainder when each component is blended in a predetermined amount, and the blending amount is preferably about 37.5 to 89% by weight based on the total weight of the acidic hair dye composition for hair.

Further, if necessary, in addition to the above-mentioned components, the acidic hair dye of the present invention may contain an oil agent for improving the feel and use feeling, a solvent for increasing the hair dyeing effect, and a surfactant. An agent can also be compounded.

Oils The oils are not particularly limited, and a wide variety of known oils conventionally used in acidic hair dye compositions for hair can be used. Specifically, for example, olive oil, sesame oil,
Castor oil, coconut oil, jojoba oil, liquid paraffin, petrolatum, oleyl alcohol, stearyl alcohol, cetostearyl alcohol, cetanol, hexyldecanol, behenyl alcohol, lauryl alcohol, isopropyl myristate, myristyl myristate, isopropyl palmitate, isopropyl stearate, butyl stearate, oleyl Oleyl acid and the like.

One or two of the above oils are added to the hair dye of the present invention.
More than one kind can be compounded, and the compounding amount is not particularly limited as long as it is a compounding amount that is usually compounded, but is preferably 0.1 to the total weight of the acidic hair dye composition for hair.
It is recommended to be blended so as to be from 01 to 20% by weight, more preferably from 0.1 to 10% by weight.

Surfactant The surfactant is not particularly limited, and a wide variety of known surfactants can be used. Specifically, nonionic surfactants, anionic surfactants and amphoteric surfactants are preferred. More specifically, it is as follows.

Nonionic surfactants Polyoxyethylene isostearyl ether, polyoxyethylene isocetyl ether, polyoxyethylene octyl dodecyl ether, polyoxyethylene oleyl ether, polyoxyethylene oleyl cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene stearyl ether Oxyethylene cetyl ether, polyoxyethylene setosteryl ether, polyoxyethylene tridecyl ether, polyoxyethylene butyl ether, polyoxyethylene behenyl ether, polyoxyethylene myristyl ether, polyoxyethylene lauryl ether,
Examples thereof include polyoxyethylene octyl phenyl ether, polyoxyethylene dinonyl phenyl ether, and polyoxyethylene nonyl phenyl ether.

Anionic surfactant N-acyl-L-diethanolamine glutamate, N
-Acyl-L-glutamic acid triethanolamine, N
-Sodium acyl-L-glutamate, sodium isethionate, disodium undecylenoylamidoethylsulfosuccinate, sodium octylphenoxydiethoxyethylsulfonate, oleoyl sarcosine, sodium oleoyl methyl taurine, carboxylated polyoxyethylene tridecyl ether Hardened tallow fatty acid acyl L-glutamate triethanolamine, hardened tallow fatty acid acyl L-glutamate, coconut oil fatty acid sodium L-glutamate, hardened coconut oil fatty acid sodium glyceryl sulfate, sodium diundecylenoylamidoethyl sulfosuccinate, N- Sodium stearoyl-L-glutamate, disodium stearoyl-L-glutamate, sodium stearoylmethyltaurate, sulfol Dioctyl sodium succinate, disodium polyoxyethylene lauroylethanolamide sulfosuccinate, disodium lauryl sulfosuccinate, diethanolamine cetyl phosphate, sodium cetyl sulfate, sodium cetostearyl sulfate, sodium tetradecene sulfonate, triethanolamine triethanolamine sulfonate, Triethanolamine tridecyl sulfate, ditriethanolamine N-palmitoyl aspartate, sodium polyoxyethylene undecyl ether sulfate, sodium polyoxyethylene octyl phenyl ether sulfate, ammonium polyoxyethylene oleyl ether sulfate, disodium lauryl polyoxyethylene sulfosuccinate, poly Oxyethylene nonyl phenyl ether sodium sulfate , Polyoxyethylene myristyl ether sulfuric acid triethanol amine, polyoxyethylene myristyl ether sulfate,
Polyoxyethylene lauryl ether triethanolamine sulfate, sodium polyoxyethylene lauryl ether sulfate, diethanolamine myristyl sulfate, sodium myristyl sulfate, sodium N-myristoyl-L-glutamate, sodium myristoylmethylaminoacetate, sodium myristoylmethyltaurine, potassium coconut oil fatty acid Coconut fatty acid / tallow fatty acid-sodium L-glutamate, N-coconut fatty acid-triethanolamine L-glutamate, N-coconut fatty acid-
Sodium L-glutamate, coconut oil fatty acid sarcosine, coconut oil fatty acid sarcosine triethanolamine, coconut oil fatty acid sarcosine sodium, coconut oil fatty acid triethanolamine, coconut oil fatty acid sodium, coconut oil fatty acid methylalanine sodium, coconut oil fatty acid methyltaurine potassium, Coconut oil fatty acid sodium methyltaurine, sodium laurylaminodipropionate, sodium lauryl sulfoacetate, sodium laurylbenzenesulfonate, lauryl sulfate, ammonium lauryl sulfate, lauryl sulfate ethanolamine potassium lauryl sulfate, lauryl sulfate diethanolamine, lauryl sulfate triethanolamine, lauryl Sodium sulfate, magnesium lauryl sulfate, triethanolamine lauroyl-L-glutamate, N Lauroyl -L- glutamate sodium, lauroyl sarcosine, lauroyl sarcosine potassium, sodium lauroyl sarcosinate, lauroyl methyl β- alanine sodium solution, lauroyl methyl taurate, sodium lauroyl methyl taurate, sodium solution, and the like.

Amphoteric surfactants 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, undecinoyl-carboxymethoxyethylcarboxymethylimidazolinium betaine sodium, undecylhydroxyethylimidazolinium betaine sodium, undecyl-
N-hydroxyethyl-N-carboxymethylimidazolinium betaine, alkyldiaminoethylglycine hydrochloride, stearyldihydroxyethylbetaine, sodium stearyldimethylbetaine, stearylbetaine, bis (stearyl-N-hydroxyethylimidazoline) chloroacetic acid complex coconut oil alkyl -N-carboxyethyl-N-hydroxyethylimidazolinium betaine sodium, coconut oil alkylbetaine, coconut fatty acid amidopropyl betaine, coconut fatty acid-N-carboxymethoxyethyl-N-carboxyethylimidazolinium betaine sodium, coconut oil Fatty acid-N-carboxymethoxyethyl-N-carboxymethylimidazolinium disodium lauryl sulfate, lauryl dimethylamino acetate betaine, β Sodium lauryl aminopropionic acid, lauryl aminopropionic acid triethanolamine, lauryl di aminoethyl sodium glycine and the like.

The above surfactants can be used alone or in combination of two or more. When the surfactant is used, any amount can be used, but it is preferably 0.01 to 20% by weight, and preferably 0.1 to 10% by weight based on the total weight of the acidic hair dye composition for hair. % Is more preferred.

Solvent The solvent is not particularly limited, and a wide variety of known solvents which have been conventionally used for acidic hair dye compositions for hair can be used. Specific examples thereof include N-alkylpyrrolidone such as N-methylpyrrolidone, lower alkylene carbonate such as ethylene carbonate, ethylene glycol alkyl ether such as diethylene glycol ethyl ether, and alkylglucoside such as octyl glycoside.

The above solvents can be used alone or in combination of two or more. When the solvent is used, any amount may be used, but preferably 1 to 20% by weight, more preferably 2 to 15% by weight based on the total weight of the acidic hair dye composition for hair. %.

Since the hair dyeing effect is increased by blending the above solvent, the blending amount of the dye can be reduced by blending these solvents. When the amount of the solvent used is less than 1% by weight, an increase in the hair dyeing effect is not often observed, while the amount may exceed 20% by weight, but the hair dyeing effect does not increase, and Tend to adversely affect the stability and uniformity of

The acidic hair dye composition for hair of the present invention can be used as (a) as long as the effects of the hair dye of the present invention are not impaired.
Other thickeners other than the component acrylic acid / alkyl methacrylate copolymer can also be used. Examples of other thickeners include the following.

Gum arabic, karaya gum, tragacanth gum, carob gum, quince seed (quince), casein, gelatin, sodium pectate, sodium alginate, carboxymethylcellulose, methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, polyvinyl alcohol, polyvinylpyrrolidone, poly Examples include sodium acrylate, guar gum, tamarint gum, dialkyldimethylammonium cellulose sulfate, xanthan gum, dextrin, locust bean gum, carrageenan, aluminum magnesium silicate, bentonite and the like. One or more of these thickeners can be blended.

When a thickener other than the acrylic acid / alkyl methacrylate copolymer is used, the amount of the thickener is as follows:
It is preferably 15% by weight or less, more preferably 0.01 to 10% by weight, based on the total weight of the hair dye composition.

The acidic hair dye composition for hair of the present invention may further contain, if necessary, a preservative, a chelating agent, a preservative, a chelating agent, and the like, as long as the effects, stability, and pH of the hair dye are not impaired.
It is also possible to add a fragrance or the like.

The acidic hair dye composition for hair of the present invention can be produced, for example, as follows. The above (a) acrylic acid / alkyl methacrylate copolymer is added to purified water,
Stir to dissolve. Thereafter, (b) an alcohol is added, and the mixture is further stirred and dissolved, and then a dye (c) is added, and if necessary, a pH adjuster is added to adjust the pH, whereby a uniform hair dye can be obtained. .

The acidic hair dye composition for hair of the present invention can be prepared in the same manner as a conventional acidic hair dye solution, for example, by using an applicator (a method of directly applying hair from a container) or brushing (coating the hair with a brush). The method can be used in formulas, combs, brush painting (comb, a method of applying a hair dye to a brush and applying).

The acidic hair dye composition for hair of the present invention can be subjected to a hair dyeing treatment according to a conventional method.
It is about 30 minutes or less.

[0049]

EFFECTS OF THE INVENTION According to the present invention, dyeing properties, washing resistance (less discoloration), spreading when applied to hair (ease of conformity), texture, There is provided an acidic hair dye composition for hair having excellent adhesion to hair and the like, that is, an acidic hair dye.

[0050]

Hereinafter, the present invention will be described with reference to examples.
The present invention is not limited by these examples. In the following examples, "parts" means "parts by weight", and "%" means "% by weight".

Example 1 and Comparative Examples 1-3 As shown in Table 1 below, acidic hair dye compositions for hair were prepared.

[0052]

[Table 1]

The preparation was carried out as follows. That is, components other than the dye are added to purified water, and the mixture is stirred and dissolved. The dye is added thereto, and an appropriate amount of a pH adjuster (citric acid) is added to adjust the pH to 3.0. A liquid was obtained.

The following tests were carried out using these hair dyes.

1) Dyeability test Each of the above hair dyes was uniformly applied to the entire white bleached hair.
After standing for about 15 minutes in a constant temperature and humidity chamber at 65 ° C and 65% RF,
Wash thoroughly with warm water. Thereafter, the hair was washed with shampoo and water, and dried with a drier, and the dyeing properties of the hair were visually evaluated.

2) Discoloration The same operation as in the above test 1) was carried out, and after shampooing and washing with water, the hair was sandwiched between filter papers, and the filter papers were observed for stains.

3) Spreading to Hair (Ease of Familiarity) The same operation as in the above test 1) was carried out, and the elongation (ease of familiarity) when uniformly applied to hair was evaluated by a sensory test.

4) Texture The same operation as in the above test 1) was performed, and a sensory test was performed on the obtained dried hair.

[0059]

[Table 2]

Evaluation Dyeing ability ：: Deeper and darker color ○: Slightly higher color △: Slightly lighter color ×: Lighter and lighter color Discoloration ◎: Filter paper has little color ○: Filter paper The color gradually becomes lighter. △: The color of the filter paper becomes darker. ×: The color of the filter paper becomes deeper and darker. Suppleness and comb-through are good. Δ: Slightly supple, but comb-through is inferior.

From the results shown in Table 2, the hair dye of the present invention is much more excellent in terms of dyeing property, discoloration, spread to hair, and texture compared with the conventional hair dye containing a thickener. It turns out that it is excellent.

Claims (5)

[Claims] 1. An acidic hair dye composition for hair comprising (a) an acrylic acid / alkyl methacrylate copolymer, (b) an alcohol, and (c) a dye. 2. The composition according to claim 1, wherein (a) the acrylic acid / alkyl methacrylate copolymer is contained in an amount of 0.1 to 15% by weight based on the total weight of the acidic hair dye composition for hair. An acidic hair dye composition for hair according to the above. 3. The acidic hair dye composition for hair according to claim 1, wherein (b) alcohol is contained in an amount of 1 to 50% by weight based on the total weight of the acidic hair dye composition for hair. . 4. The acidic hair dye composition for hair according to claim 1, wherein the dye (c) is contained in an amount of 0.0001 to 3% by weight based on the total weight of the acidic hair dye composition for hair. Stuff. 5. The hair dye composition for hair according to claim 5, further comprising (d)
The acidic hair dye composition for hair according to any one of claims 1 to 4, further comprising a pH adjuster and (e) water.