JP5363702B2 - One-part hair dye composition - Google Patents

Abstract

Provided are a one-part hair dye composition containing (A) a combination of 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid, (B) either one of (b1) ascorbic acid or salt thereof or (b2) sulfurous acid or salt thereof, and (C) an alkali agent and having a pH of from 8 to 11; and a method of selecting the kind of Component (B), thereby controlling a hair color upon dyeing the hair.

Description

  The present invention relates to a one-component hair dye composition that can change the color of the dyed color without using a coupler.

  Conventionally, air oxidation type hair dye compositions using melanin precursors such as indoles and indolines are known (see, for example, Patent Documents 1 to 3). However, in order to change the dyed color of these hair dyes, it is necessary to use not only the melanin precursor but also a coupler.

Japanese Patent Publication No. 8-32618 Japanese Patent Laid-Open No. 2003-55175 Japanese Patent Laid-Open No. 2002-322038

  Accordingly, an object of the present invention is to provide an air oxidation type hair dye composition that can change the color of the dyed color without using a coupler.

  In the air oxidation hair dye composition using a melanin precursor, the present inventors used two specific types as a melanin precursor, one of two specific antioxidants, and an alkali. It has been found that the above problems can be solved by using an agent.

  The present invention provides a one-component hair dye composition having a pH of 8 to 11 containing the following components (A) to (C).

(A) Combination of 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid
(B) (b1) Ascorbic acid or a salt thereof, (b2) Sulfurous acid or a salt thereof
(C) Alkaline agent

  Furthermore, the present invention provides a method of adjusting the color obtained after hair dyeing by selecting either (b1) or (b2) as component (B) of the one-component hair dye composition. It is to provide.

  The one-component hair dye composition of the present invention can change the dyed color without using a coupler.

  By using 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid together as the melanin precursor of component (A), the hair can be dyed in natural shades and the dyed color can be increased. Can be adjusted. The molar ratio of 5,6-dihydroxyindole to 5,6-dihydroxyindole-2-carboxylic acid is preferably in the range of 50:50 to 999: 1, particularly 80:20 to 99: 1. Here, 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid can be quantified by reverse phase HPLC.

  The total content of the component (A) compound is preferably 0.05 to 5% by weight, particularly 0.1 to 2% by weight in the hair dye composition of the present invention in terms of dyeability and stability.

  As the antioxidant of component (B), either (b1) ascorbic acid or a salt thereof, (b2) sulfurous acid or a salt thereof is used. Ascorbate and sulfite include sodium salts. When (b1) is used, a reddish brown color is obtained, and when (b2) is used, a bluish blackish gray color is obtained.

  The content of the component (B) is preferably 0.01 to 5% by weight, more preferably 0.05 to 2% by weight, particularly 0.1 to 1% by weight in the hair dye composition of the present invention from the viewpoint of dyeability and color tone control. Is preferred.

  As the alkali agent of component (C), those used for usual hair dyes, for example, ammonia water; alkanolamines such as mono-, di- or triethanolamine; alkyl or aralkyl such as butylamine and benzylamine Amines; basic amino acids such as arginine, lysine and histidine; inorganic bases such as sodium hydroxide, potassium hydroxide, sodium carbonate and potassium carbonate; and guanidine carbonate and amino acids, among others To monoethanolamine.

  The alkali agent of component (C) can be used alone or in combination of two or more, and the content thereof is 0.01 to 20% by weight in the hair dye composition of the present invention from the viewpoint of dyeability. In particular, 0.1 to 10% by weight is preferable.

  Furthermore, the hair dye composition of the present invention may contain a polymer from the viewpoints of usability, applicability, and tackiness. This polymer is basically blended as a thickener and may be nonionic or ionic. Nonionic polymers include hydroxyethyl cellulose (for example, Daicel Chemical Industries: SE-850, Nagase Sangyo: Cellosize HECQP52000H), sodium carboxymethyl cellulose (for example, Daicel Chemical Industries: CMC Daicel 1220), hydroxyethyl cellulose hydroxypropyl stearyl. Sodium ether hydroxypropyl sulfonate (for example, the compound described in Production Example 1 of JP-A-11-12139), hydroxypropyl methylcellulose (for example, Shin-Etsu Chemical Co., Ltd .: Metrose 60SH-10000), guar gum (for example, Dainippon Sumitomo Pharma Co., Ltd.) : Fiberlon S), Pullulan (for example, Hayashibara Corporation: Pullulan PI-20), Hydroxypropyl chitosan (for example, Ichimaru Falcos: Chitofilmer HV-10), Chitosan dl-pyrrolidone carboxylate (for example, Union)・ Carbide: Kitemer PC), Polyvinylpyrrolidone (BASF: Luviskol K-12, K-30, PVP K-120), Polyvinyl alcohol (Nippon Gosei Co., Ltd .: Gohsenol EG-40), Vinyl alcohol / vinyl amine copolymer ( Air product company: VA-120-HCl), high polymerization degree polyethylene glycol (Nippon Union Carbide Corporation: Polyox WSRN-60K) and the like.

  Anionic polymers include polyacrylic acid (Noveon: Carbopol 941, 981), acrylic acid / alkyl methacrylate copolymer (Noveon: Carbopol ETD2020), lower alkyl vinyl ether / maleic anhydride Hydrolyzate of partially cross-linked polymer by terminal unsaturated diene compound of polymer or monoalkyl ester thereof (ISP: Stabilise 06, Stabilise QM), carrageenan (for example, Mitsubishi Rayon: Soagina LX22, ML210), xanthan gum (for example, Dainippon Sumitomo Pharma Co., Ltd .: Echo Gum T), Welan gum (for example, Sanki Co., Ltd .: K1C376, K1A96), hydroxypropyl xanthan gum (for example, Dainippon Sumitomo Pharma Co., Ltd .: Labor gum EX), and the like.

  The cationic polymer includes an aqueous solution containing an amino group or an ammonium group in the side chain of the polymer chain, or a diallyl quaternary ammonium salt as a structural unit, such as a cationized cellulose derivative (for example, Lion Corporation: Leogard G). , GP, Union Carbide: Polymer JR-125, JR-400, JR-30M, LR-400, LR-30M, National Starch and Chemical: Cellcoat H-100, L-200) Cationized guar gum derivatives (eg Rhodia: Jaguar C-13S, C-17, Dainippon Sumitomo Pharma: Labor gum CG-M, CG-M7, CG-M8M), diallyl quaternary ammonium salt polymer Or copolymers (Calgon: Marquat 100, 280, 295, 550), quaternized polyvinylpyrrolidone derivatives (ASP Japan: Guffcoat 734, 755, 755N), etc.

  Among these, a polysaccharide type polymer, particularly a natural polymer having a cellulose skeleton or a xanthan gum skeleton is preferable. A polymer can be used individually or in combination of 2 or more types. The content of the polymer is preferably 0.05 to 10% by weight, particularly preferably 0.1 to 5% by weight in the hair dye composition of the present invention from the viewpoints of usability and coatability. In addition, from the viewpoint of applicability and resistance to dripping, the hair dye composition of the present invention preferably has a viscosity of 100 to 8000 mPa · s, particularly 300 to 5000 mPa · s. Here, the viscosity is a value after rotating for 1 minute at 6 rpm with a B-type rotational viscometer at 25 ° C.

  The hair dye composition of the present invention does not need to contain a dye other than the component (A), but may further contain a direct dye that is usually used in hair dyes.

  Examples of the direct dye include acid dyes, nitro dyes, disperse dyes, basic dyes, and direct dyes described in JP-A-2003-342139. Examples of acid dyes include blue No. 1, purple No. 401, black No. 401, orange color No. 205, red No. 227, red No. 106, yellow No. 203, acidic orange 3, etc., and nitro dyes include 2-nitro Paraphenylenediamine, 2-amino-6-chloro-4-nitrophenol, 3-nitro-p-hydroxyethylaminophenol, 4-nitroorthophenylenediamine, 4-amino-3-nitrophenol, 4-hydroxypropylamino- 3-nitrophenol, HC blue 2, HC orange 1, HC red 1, HC yellow 2, HC yellow 4, HC yellow 5, HC red 3, N, N-bis- (2-hydroxyethyl) -2-nitropara Examples include disperse dyes such as disperse purple 1, disperse blue 1, disperse black 9, etc., and basic dyes include basic blue 99, basic tea 16, basic tea 17, and base. Basic red 76, basic red 51, basic yellow 57, basic yellow 87, basic orange 31 and the like.

  When the hair dye composition of the present invention contains a dye directly, the content thereof is preferably 0.001 to 5% by weight, particularly 0.01 to 3% by weight in the hair dye composition of the present invention.

  The hair dye composition of the present invention may further contain a surfactant from the viewpoint of improving foamability and coating properties. Such surfactants include alkyl benzene sulfonates, alkyl or alkenyl ether sulfates, alkyl or alkenyl sulfates, olefin sulfonates, alkane sulfonates, saturated or unsaturated fatty acid salts, alkyl or alkenyl ether carboxylic acids. Salts, α-sulfone fatty acid salts, N-acyl amino acid type surfactants, phosphate mono- or diester type surfactants, sulfosuccinic acid esters and the like; imidazoline series, carbobetaine series, amide betaine series, sulfobetaine series , Amphoteric surfactants such as hydroxysulfobetaine or amidosulfobetaine amphoteric surfactants; polyoxyalkylene alkyl ethers, polyoxyalkylene alkenyl ethers, higher fatty acid sucrose esters, polyglycerin fatty acid esters, Nonionic interfaces such as grade fatty acid monoethanolamide or diethanolamide, polyoxyethylene hydrogenated castor oil, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbit fatty acid ester, alkyl saccharide surfactant, alkylamine oxide, alkylamidoamine oxide Activating agents: Cationic surfactants such as imidazoline ring-opening quaternary ammonium salts, mono-long-chain alkyl quaternary ammonium salts, and di-long-chain alkyl quaternary ammonium salts. As counter ions of the anionic residues of these surfactants, alkali metal ions such as sodium and potassium, alkaline earth metal ions such as calcium and magnesium, ammonium ions, alkanol groups having 2 or 3 carbon atoms, Examples thereof include three alkanolamines such as monoethanolamine, diethanolamine, triethanolamine, and triisopropanolamine. Examples of the counter ion of the cationic residue include halogen ions such as chlorine, bromine and iodine, and methosulfate and saccharinate ions.

  These surfactants can be used alone or in combination of two or more thereof, and the content thereof is 0.1 to 30% by weight, particularly 0.5 to 15% by weight in the hair dye composition of the present invention. Is preferred.

  The hair dye composition of the present invention may further contain a linear aliphatic alcohol having 12 to 24 carbon atoms from the viewpoint of improving the coating property and foam quality. Specific examples include myristyl alcohol, cetyl alcohol, stearyl alcohol, aralkyl alcohol, behenyl alcohol and the like, and stearyl alcohol and behenyl alcohol are particularly preferable.

  The linear aliphatic alcohol can be used alone or in combination of two or more thereof, and the content thereof is preferably 0.1 to 10% by weight in the hair dye composition of the present invention, more preferably 0.1 to 7% by weight, in particular 0.5 to 5% by weight, is preferred.

  Furthermore, the hair dye composition of the present invention can contain silicones from the viewpoints of foam texture, foam slipperiness, reduction of creaking during washing, and smoothness during drying. Examples of such silicones include those shown below.

(1) Dimethylpolysiloxane Examples include those represented by the following general formula.
(CH ₃ ) ₃ SiO — [(CH ₃ ) ₂ SiO] _b —Si (CH ₃ ) ₃
[Wherein b represents a number of 3 to 20000. ]

(2) Amino-modified silicone Various amino-modified silicones can be used, but in particular, the average molecular weight of about 3000 to 100,000 is Amodimethicone, Aminoethylaminopropyl Dimethicone, or Aminopropyl Dimethicone. ) In the INCI Dictionary (US, International Cosmetic Ingredient Dictionary and Handbook) 10th edition is preferable. This amino-modified silicone is preferably used as an aqueous emulsion, and examples of commercially available products include SM 8704C (Toray Dow Corning), DC 929 (Dow Corning), KT 1989 (GE Toshiba). The N content is not particularly limited, but is preferably 0.01 to 1% by weight, particularly preferably 0.05 to 0.3% by weight.

(3) Other silicones Other than the above, polyether-modified silicone, methylphenylpolysiloxane, fatty acid-modified silicone, alcohol-modified silicone, alkoxy-modified silicone, epoxy-modified silicone, fluorine-modified silicone, cyclic silicone, alkyl-modified silicone, etc. It is done.

  Two or more kinds of silicones may be used in combination, and the content thereof is preferably 0.01 to 10% by weight, more preferably 0.05 to 6% by weight, particularly 0.3 to 3% by weight in the hair dye composition of the present invention. % Is preferred.

  Furthermore, the hair dye composition of the present invention may contain an oil agent as another conditioning agent. Oils include hydrocarbons such as squalene, squalane, liquid paraffin, liquid isoparaffin, cycloparaffin; glycerides such as castor oil, cacao oil, mink oil, avocado oil, olive oil; beeswax, whale wax, lanolin, carnauba wax, etc. Waxes: Esters such as isopropyl palmitate, isopropyl myristate, octyldodecyl myristate, hexyl laurate, cetyl lactate, propylene glycol monostearate, oleyl oleate, hexadecyl 2-ethylhexanoate, isononyl isononanoate, tridecyl isononanoate Higher fatty acids such as capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, coconut oil fatty acid, isostearyl acid, isopalmitic acid; unsaturated or branched Higher alcohol; Other isostearyl glyceryl ether, polyoxypropylene butyl ether. Two or more kinds of these oil agents can be used in combination, and the content thereof is preferably 0.2 to 2% by weight, more preferably 0.3 to 1.8% by weight, particularly 0.5 to 1.5% by weight in the hair dye composition of the present invention. % Is preferred.

  In addition to the above components, the hair dye composition of the present invention includes components used in ordinary hair dyes, such as aqueous media, stabilizers, buffers, fragrances, touch improvers, chelating agents, solubilizers, An antiseptic etc. can be suitably mix | blended according to the objective.

  The melanin precursor of component (A) reacts with oxygen in the air under basic conditions and is converted to a melanin pigment. For this reason, pH of the hair dye composition of this invention is adjusted to the range of 8-11, Preferably it is the range of 9-11.

  The hair dye composition of the present invention is preferably in the form of an aerosol in order to maintain dyeing power and improve dyeing power even after repeated use. In order to obtain an aerosol type form, the hair dye composition of the present invention may be filled into a pressure-resistant container (such as an aerosol can) together with a propellant as an aerosol stock solution.

  As the propellant, compressed gas, liquefied gas and the like generally used for aerosol products can be used. As compressed gas, nitrogen gas, carbon dioxide gas, argon gas and the like are used. 5 volatile hydrocarbons, dimethyl ether and the like. Of these, liquefied petroleum gas and dimethyl ether are preferred. Two or more kinds of propellants can be used in combination, and in order to obtain an appropriate jet speed, it is preferable to contain 0.5 to 20% by weight, particularly 3 to 15% by weight, in the total composition consisting of the stock solution and the propellant. . Moreover, it is preferable to adjust so that the internal pressure of the aerosol can after filling may be 0.3 to 0.5 MPa (25 ° C.).

  At the time of product filling, it is preferable to deaerate simultaneously with clinching to reduce the air remaining in the container, and such deaeration operation is more effective in terms of stabilizing the contents. For example, the deaeration operation is preferably performed at a pressure of 48 kPa or less.

  The hair dye composition of the present invention can be used at room temperature, but the dyeing power can also be improved by supplying heat and oxygen with a dryer or the like.

Examples 1-2 and Comparative Example 1
According to the composition shown in Table 1, an aerosol type one-component hair dye composition stock solution was prepared, and this stock solution was packed in an aerosol compatible bottle (Tokyo Kogyo Co., Ltd.) and clinched, and then the stock solution: gas ratio = 90: As a propellant, a mixture of liquefied petroleum gas of 0.35 MPa and dimethyl ether (mixing weight ratio = 90: 10) was filled as a propellant so as to obtain an aerosol type one-component hair dye composition.
The obtained aerosol type one-part hair dye composition was subjected to the following test evaluation. The results are also shown in Table 1.

-Dyeability (ΔE):
1 g of each aerosol type hair dye composition was applied to about 1 g of a dry white hair bundle of a Chinese woman, left at room temperature for 5 minutes, shampooed, and washed with water. This dyeing operation was repeated three times, and the dyeability (ΔE, Minolta CR300) and color of gray hair were evaluated.
As a result of the above dyeing operation, the gray hair bundle was dyed a little reddish brown in Example 1, and a little bluish blackish gray in Example 2. Comparative Example 1 was dyed blackish gray and almost no color was felt.

・ Storage stability:
Each aerosol type hair dye composition was filled in an aerosol container, and the appearance, discharge performance and hair dyeability of the composition after storage at 40 ° C. for 1 month were compared and evaluated with those immediately after production. As a result, there was almost no change in appearance, discharge performance and dyeability.

Claims (4)

A one-component hair dye composition for masking gray hair , comprising the following components (A) to (C) and having a pH of 8 to 11.
(A) A combination in which the molar ratio of 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid is from 80:20 to 99: 1
(B) (b1) Ascorbic acid or a salt thereof, (b2) Sulfurous acid or a salt thereof
(C) Alkaline agent   The one-component hair dye composition according to claim 1, wherein the total content of component (B) is 0.01 to 5% by weight.   The one-component hair dye composition according to claim 1 or 2, which contains monoethanolamine as an alkaline agent and has a pH of 9 to 11. The color obtained after hair dyeing by selecting either (b1) or (b2) as component (B) of the one-component hair dye composition according to any one of claims 1 to 3. How to adjust.