JP2002047144A - Hair cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hair cosmetic that permits the user to dye silver hair through daily styling without trouble in the place and method for applying the cosmetic and can simply and gradually make the gray hair inconspicuous. SOLUTION: The objective hair cosmetic comprises air-oxidizable dye, laccase and film-forming polymer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hair cosmetic which is excellent in making gray hair less noticeable by simply covering the surface of the hair with an indoline polymer or the like while styling it daily.

[0002]

2. Description of the Related Art In order to dye gray hair, hair dyes such as hair manicure and hair color are generally mainly used. However, hair dyes using these hair dyes are limited in use place, The method of use is complicated, and there is a problem that it is difficult to cope with the growing gray hair due to the rapid change of the dyed color.

[0003]

SUMMARY OF THE INVENTION The object of the present invention is to cover the surface of the hair with an indoline polymer or the like in daily styling, thereby eliminating the trouble in the place of use and the method of use, and expanding the gray hair easily. An object of the present invention is to provide a hair cosmetic that can be dyed inconspicuously.

[0004]

Means for Solving the Problems The present inventor has obtained a hair cosmetic which can easily make gray hair inconspicuous when a film-forming polymer is used in combination with a combination of an air oxidation dye and a laccase. Was found. The present invention provides a hair cosmetic containing an air oxidation dye, laccase and a film-forming polymer.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The air oxidation dyes used in the present invention include catechols and indoles, and two or more of them may be used in combination. As the air oxidation dye, indoles are preferred. As the indole, the following general formula (1)

[0006]

Embedded image

Compounds represented by the formula:

The indoles represented by the general formula (1) include 5,6-dihydroxyindoline, 5,6-dihydroxyindole, 5,6-dihydroxyindoline-2-carboxylic acid, and 5,6-dihydroxyindole-2. -Carboxylic acids are particularly preferred. As the catechols, resorcin and gallic acid are preferred.

In the hair cosmetic composition of the present invention, the air oxidation dye is contained in an amount of 0.01 to 15% by weight (hereinafter simply referred to as%),
Preferably 0.01 to 10.0%, especially 0.1 to 5.0.
%.

The laccase used in the present invention is a kind of polyphenol oxidase and is obtained from plants, especially sap of sap or microorganisms such as bacteria, molds, yeasts and fungi.
Specific examples include Biochim. Biophys. Acta. 205
Laccase, as described in Vol. 35-47 or the same journal, Vol. 1292, pp. 303-311. These may be used as crude enzymes or after purification, or may be products produced by genetic engineering techniques. For example, Polyporus pinsitus, Rhizoctonia solani, Myceliophthora thermophila, Scytalidium thermophilum
m). “Laccase (EC1.10.3.2)” (Sigma) obtained from the sumi sap is commercially available.

The laccase in the hair cosmetic composition of the present invention has an enzyme activity (U) of 1 to 100 as measured by the following activity measuring method.
It is preferable to contain 0 U / g (hair cosmetic). Two or more laccases may be used in combination.

Enzyme activity measurement method 3 mL of a reaction solution containing 2 mM 5,6-dihydroxyindoline, 25 mM monosodium phosphate buffer (pH 7), 20% ethanol and laccase was prepared, and a dye formation reaction was performed using a 1 cm thick cell. The increase in absorbance at 485 nm (485 nm) was measured with a spectrophotometer for 1 to 30 minutes (preferably 5 minutes), 2
Measure at 5 ° C. Enzyme activity (U) is 485 nm for 5 minutes
Was calculated from the change in absorbance (Abs) at the following equation. (Equation 1) Enzyme unit (U) = (Abs × 3) /0.3/5

The film-forming polymer used in the present invention includes a nonionic polymer, a cationic polymer, an anionic polymer and an amphoteric polymer, and two or more kinds may be used in combination.

As the nonionic polymer, for example, Rubiscol K12, 17, 30, 60, 80, 90 (above,
BASF), PVP K15, 30, 60, 90
Such as polyvinylpyrrolidone (manufactured by GAF); rubiscol VA28, 37, 55, 64, 73, VA37.
E (above, manufactured by BASF), PVP / VA E-73
5, E-635, E-535, E-335, S-63
Polyvinylpyrrolidone / vinyl acetate copolymers such as 0, W-735 (all manufactured by GAF); Rubiscol VAP3
Polyvinylpyrrolidone / vinyl acetate / vinyl propionate terpolymer such as 43 (manufactured by BASF);
x (manufactured by Dow Chemical Company) and the like, and vinyl acetate / N-vinyl-5-methyl-2-oxazoline copolymer and the like.

As the cationic polymer, for example, Rubicut FC370, FC550, FC905, HM55
2, vinyl imidazolium chloride / vinyl pyrrolidone copolymer such as MonoCP (all manufactured by BASF);
Cell Cut H-100 (viscosity 1000 cps), L-20
Hydroxyethyl cellulose / dimethyldiallylammonium chloride such as 0 (viscosity 100 cps) (all manufactured by National Starch); Guffcut 734, 755
Vinylpyrrolidone / quaternized dimethylaminoethyl methacrylate copolymer such as N, 755 (above, manufactured by GAF); Rubiflex (manufactured by BASF), copolymer 84
Polyvinylpyrrolidone / alkylaminoacrylate copolymers such as 5,937,958 (all manufactured by GAF);
Polyvinylpyrrolidone / alkylaminoacrylate / vinylcaprolactam copolymer such as copolymer VC-713 (manufactured by GAF); Guffcut HS-100 (IS
Vinylpyrrolidone / methacrylamidopropyl trimethylammonium chloride copolymer;
No. 180911, alkyl acrylamide / acrylate / alkylaminoalkyl acrylamide / polyethylene glycol methacrylate copolymers such as water-soluble polymer compounds, N-propionyl polyethyleneimine / methyl polysiloxane copolymer, acrylamide / acrylic acid / Examples thereof include an alkyl methacrylic acid / methoxypolyethylene glycol copolymer, an acrylamide / acrylate ester copolymer, and the like.

Examples of the anionic polymer include methyl vinyl ether / alkyl maleic anhydride half-ester copolymers such as Gantrez ES-225, ES-425 and SP-215 (all manufactured by GAF);
1310 (National Starch), Rubiset C
A (manufactured by BASF) and other vinyl acetate / crotonic acid copolymers; Resin 28-2930 (manufactured by National Starch) and the like; birni acetate / crotonic acid / vinyl neodecanoate copolymer; Rubiset CAP (manufactured by BASF) Vinyl acetate / crotonic acid / vinyl propionate copolymer such as
Vinyl acetate such as DVANTAGECP (manufactured by ISP) /
Monobutyl maleate / isopolonyl acrylate copolymer; Plasize L53P (manufactured by Yoyo Chemical Co., Ltd.),
(Meth) acrylic acid / (meth) acrylate copolymers such as Diamond Hold (manufactured by Mitsubishi Chemical Corporation); Ultrahold 8, Ultrahold Strong (above, BA
Acrylic acid / alkyl acrylate / alkylacrylamide copolymer such as SF-former V-42 (manufactured by National Starch); polyvinylpyrrolidone / acrylate / (such as Rubiflex VBM35 (manufactured by BASF)) (Meth) acrylic acid copolymer and the like.

Examples of the amphoteric polymer include N-methacryloyloxyethyl N, N-dimethylammonium-α-N- such as Yukaformer M-75 (manufactured by Mitsubishi Chemical Corporation).
Methylcarboxybetaine / alkyl methacrylate copolymer; Yuka Former AM-75, AM75S
/ SM (above, manufactured by Mitsubishi Chemical Corporation) and other dialkylaminoethyl methacrylate / alkyl methacrylate copolymer monochloroacetic acid amphoteric;
And hydroxypropyl acrylate / butylaminoethyl methacrylate / octylamide acrylate copolymers such as -4910 and LV-71 (all manufactured by National Starch).

Among these film-forming polymers, acrylate / methacrylate copolymers (for example, plus size L-75CB, plus size L-95)
An acrylic polymer such as 40B) or an N-methacryloyl N, N-dimethylammonium-α-N-methylcarboxybetaine / methacrylic acid alkyl ester copolymer (for example, Yuka Former M-75) is preferred.

It is preferable that the hair cosmetic composition of the present invention contains the film-forming polymer in an amount of 0.01 to 40%, particularly 0.5 to 10%.

The hair cosmetic of the present invention is produced by dissolving these essential components in an aqueous solvent. Examples of the aqueous solvent include water, ethanol, isopropanol and the like.

The form of the hair cosmetic composition of the present invention can be conveniently used by filling it into a container such as a pump spray or a pump foam.
It is good to use as a form of form. As a propellant for the aerosol spray, for example, a chlorofluorocarbon gas such as trichloromonofluoromethane and dichlorodifluoromethane can be used, and liquefied petroleum gas (LPG), dimethyl ether (DME), carbon dioxide gas, nitrogen gas or a mixture thereof is used. Preferably used, especially LPG, DME
Alternatively, a mixed gas of LPG and DME is preferable. The propellant is
99.5-40 by weight ratio of hair cosmetic / propellant
/0.5-60: It is particularly preferred to use 95-80 / 5-20. The hair cosmetic / propellant is 5-70 / 9
It may be used as a hair spray containing a large amount of propellant in a ratio of 5 to 30, especially 20 to 60/80 to 40.

[0022]

EXAMPLES Example 1 The hair cosmetics shown in Table 1 were produced, and the results of evaluation by the monitor on hand transferability and hair dyeing properties according to the following criteria are shown in Table 1.

Evaluation method: Short hair female monitor 1
0 persons applied 5 g of hair cosmetics and performed a sensory evaluation when the hair was prepared with a hand groom. Table 1 shows the average evaluation.

[0024]

[Table 1]

All of the products of the present invention had no hand transfer and were excellent in hair dyeability.

Example 2 A hair spray having the following composition was excellent in easily covering gray hair. Hair setting polymer ^{* 4} 5.0 g 5,6-dihydroxyindole 0.1 g Laccase ^{* 5} 40 U Ethyl alcohol 10.0 g Deionized water Balance sodium hydroxide (adjusted to pH 6.5) Dimethyl ether 50.0 g Total 100.0 g * 4: Plastic size L-75CB (manufactured by Yoyo Kagaku) * 5: Same as in Example 1.

Example 3 A hair foam having the following composition was excellent in easily covering gray hair. Hair setting polymer ^{* 6} 6.8 g 5,6-dihydroxyindoline 1.0 g Laccase ^{* 7 60} U Ethyl alcohol 10.0 g Carboxyvinyl polymer ^{* 8} 0.3 g Polyoxyethylene tridecyl ether ^{* 9} 0.5 g Ion exchange water Balance Sodium hydroxide (adjusted to pH 6.5) Dimethyl ether 2.0 g Liquefied petroleum gas 8.0 g Total 100.0 g * 6: Yuka Former M-75 (Mitsubishi Chemical) * 7: Same as in Example 1 * 8: Carbopol 981 (Manufactured by BFGOOD RICH) * 9: Softanol 90 (manufactured by Nippon Shokubai)

Example 4 A hair cream having the composition shown below was excellent in easily making gray hair inconspicuous. (Components) POE (40.EO) hydrogenated castor oil ^{* 10} 3.0 g Polyglycerin fatty acid ester ^{* 11} 5.0 g 5,6-dihydroxyindole-2-carboxylic acid 2.0 g Gallic acid 0.1 g Resorcin 0.1 g Light Liquid isoparaffin ^{* 12} 2.0 g Cellulose derivative ^{* 13} 1.5 g POE sodium stearyl ether phosphate ^{* 14} 0.4 g Laccase ^{* 15} 20 U Hair set polymer ^{* 16} 5.0 g Cetanol 2.5 g Ethanol 0.5 g Perfume Micro- purified water Balance 100.0 g * 10 Emulgen 320P (manufactured by Kao) * 11 Exepearl DG-MI (manufactured by Kao) * 12 Palm Ream 4 (manufactured by Nippon Yushi) * 13 Polymer JR400 (manufactured by Union Carbide) * 14 SPE-104NB ( * 15 Same as in Example 1, * 16 Yuka Former SM (Mitsubishi Chemical)

Example 5 A hair gel having the composition shown below was excellent in easily making gray hair inconspicuous. Hair setting polymer 1 ^{* 17} 4.8 g 5,6-dihydroxyindoline 0.5 g Laccase ^{* 18} 40 U Ethyl alcohol 10.0 g Carboxyvinyl polymer ^{* 19} 0.5 g Polyoxyethylene tridecyl ether ^{* 20} 0.5 g Ion-exchanged water Balanced sodium hydroxide (adjusted to pH 7) Total 100.0 g * 17 Plus size L-9540B (manufactured by Mitsubishi Yuka), * 18 Same as in Example 1, * 19 Carbopol 981 (manufactured by BFGOOD RICH), * 20 Softanol 90 (Nippon Shokubai)

[0030]

EFFECT OF THE INVENTION Gray hair can be dyed by daily styling, and there is no trouble in the place of use and method of use.
It can easily make gray hair less noticeable.

Continued on the front page (72) Inventor Kenzo Koike 2-1-3 Bunka, Sumida-ku, Tokyo Inside Kao Corporation Research Institute (72) Inventor Yoshiki Saito 2-1-3 Bunka, Sumida-ku, Tokyo Kao Corporation F-term in the laboratory (reference) 4C083 AB032 AC012 AC022 AC072 AC102 AC172 AC182 AC432 AC471 AC472 AC851 AC852 AC902 AD011 AD091 AD092 AD262 AD411 AD412 BB24 CC32 CC36 DD08 DD32 EE05

Claims (4)

[Claims] 1. A hair cosmetic containing an air oxidation dye, a laccase and a film-forming polymer. 2. The method according to claim 1, wherein the air oxidation type dye is 5,6-dihydroxyindoline, 5,6-dihydroxyindole, 5,6.
-Dihydroxyindoline-2-carboxylic acid, 5,6-
The hair cosmetic according to claim 1, wherein the cosmetic is selected from the group consisting of dihydroxyindole-2-carboxylic acid, resorcin, and gallic acid. 3. The hair cosmetic according to claim 1, wherein the film-forming polymer is an acrylic polymer. 4. The hair cosmetic according to claim 1, wherein the hair cosmetic is in an aerosol form.