Hair colorant

Abstract

The present invention newly provides a hair coloring agent or the like which is used in white hair covering, blackening of bleached hair, deep dyeing of hair or the like for human beings or the like. A preparation for coloring hair, which contains melanin derived from cuttlefish ink and hemin.

Description

Technical Field

[0001] This application claims priority based on Japanese Patent Application No. 2022-152169 filed in Japan on September 26, 2022, the contents of which are incorporated herein by reference in their entirety.

[0002] The present invention relates to a preparation for coloring hair, and the like, for example, the preparation is used for covering gray hair, dyeing bleached hair black, darkening hair, and the like. Background Art

[0003] Hair largely determines a person's appearance, so it occupies a very important position in beauty. Hair is mainly composed of a stratum corneum covering the surface, a cortex located inside and occupying most of the hair, and a medulla existing in the center of the hair. Among them, the stratum corneum has a scale-like structure stacked from the root to the end of the hair, which plays a role in protecting the inside of the hair from the outside. In recent years, the structural analysis of the stratum corneum has been continuously developed, and it is known that the outermost layer of the stratum corneum has a structure in which a long-chain fatty acid called 18-methyleicosanoic acid is chemically bonded to hair protein. Hair is constantly damaged (damaged) on a daily basis due to chemical treatments such as perming, bleaching, and hair dyeing, ultraviolet rays generated by sunlight, heat generated by hair dryers, combing, etc. It is known that when hair is damaged in this way, the long-chain fatty acids on the surface of the stratum corneum will fall off, and the damage to the surface of the stratum corneum makes the smoothness of the hair and the combing properties of the fingers worse, which becomes one of the main reasons for feeling hair damage (Patent Document 1).

[0004] Under such circumstances, there is a growing demand for the development of a hair coloring agent (temporary hair coloring agent, etc.) which, for example, has a good color tone and covering effect as a hair coloring agent, has good adhesion to hair, does not cause color transfer even when rubbed, satisfies the feeling of use such as a natural look and a feel to the touch, and has excellent storage stability (Patent Document 2, Non-Patent Document 1).

[0005] It is believed that if a pigment such as iron oxide is used as a colorant, the hiding effect is too high, the color difference between the part where the hair colorant is applied and the part where the hair colorant is not applied is sharp, and the color difference with the hair itself is also obvious, which sometimes results in an unnatural makeup look. In addition, it is said that inorganic pigments generally have strong cohesion and sometimes form a hard feel after being applied to the hair. On the other hand, when melanin is used as a colorant, the color tone easily blends with the black color of the hair, and a natural makeup look can be obtained, but the color concentration is sometimes insufficient to cover gray hair. It is said that if the content of melanin is increased in order to increase the color concentration, satisfactory effects cannot be obtained in terms of adhesion to hair, no color migration, and feel. Furthermore, the colorant sometimes aggregates in the preparation, and storage stability is also considered to be a problem (Patent Document 2, Non-Patent Document 1).

[0006] Prior art literature Patent Literature Patent Document 1: Japanese Patent Application Laid-Open No. 2021-113179 Patent Document 2: Japanese Patent Application Laid-Open No. 2014-193828 Patent Document 3: Japanese Patent Application Laid-Open No. 2014-152201 Non-patent literature Non-patent document 1: SEN'I GAKKAISHI (Fiber and Industry) Vol60, No11 (2004), P536 to P539, Dyes for hair Summary of the invention

[0007] Technical problem to be solved by the invention The problem to be solved by the present invention is to provide a novel preparation or the like that can continuously impart natural blackness to hair (for example, can maintain the blackness of hair after a single hair dyeing operation).

[0008] Technical solutions to solve problems Therefore, the inventors of the present invention have repeatedly conducted intensive studies and have newly confirmed that melanin and hemin derived from cuttlefish ink, which contain a color that easily blends into hair and a raw material provided for consumption (a raw material with high safety), can continuously impart natural blackness to hair, thereby completing the present invention.

[0009] The present invention includes the following items.

[0010] [Item 1] A preparation for coloring hair, comprising melanin derived from squid ink and hemin.

[0011] [Item 2] A preparation for coloring hair, comprising hemin.

[0012] [Item 3] A method for coloring hair, comprising: a step of treating hair with an oxidative dye; and, after the step, a step of treating hair with the preparation described in [Item 2].

[0013] [Item 4] A kit for coloring hair, comprising an oxidative dye and the preparation described in [Item 2], wherein the process of coloring hair comprises: performing hair treatment using the preparation described in [Item 2] after performing hair treatment using the oxidative dye.

[0014] [Item 5] A preparation for coloring hair, comprising melanin derived from cuttlefish ink.

[0015] [Item 6] A composition comprising the preparation described in [Item 1], the preparation described in [Item 2] and / or the preparation described in [Item 5].

[0016] [Item 7] The composition according to [Item 6], which is in the form of a composition for external use on the skin.

[0017] Effects of the Invention According to the present invention, a preparation for coloring hair and the like can be provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The data used in Experiment 1 are shown in FIG. Color space stereo image of color system (commonly used in the digitization of color) color system). is the brightness index, which indicates the chromaticity of hue and chroma. Numericalized, it is the chromaticity index. Indicates the red direction, Indicates the green direction on the opposite side, Indicates the yellow direction, Indicates the blue direction. The closer to the center, the darker the color, and the brighter the color toward the outside (Patent Document 3). DETAILED DESCRIPTION

[0019] Hereinafter, the mode for carrying out the present invention will be described.

[0020] (Melanin from squid ink) Melanin derived from cuttlefish ink is an essential ingredient for providing natural blackness and color blending to hair, and for covering gray hair with a natural makeup look. In the present invention, any melanin derived from cuttlefish ink used in food, industrial use, cosmetics, etc. can be used appropriately without particular restrictions. Melanin derived from cuttlefish ink is produced, for example, by washing the contents of a cuttlefish ink bag with ethanol or the like, deodorizing it, and then drying and pulverizing it. The melanin thus obtained is a mixture of melanin compounds having a yellow to brown to black hue, and has a molecular weight of approximately tens of thousands to millions, and can be obtained in several forms such as a powder or a paste dispersed in oil or the like. In the present invention, a powdery form is preferred, and as a particle size, a more preferred range of 200 to 1000 nm is about.

[0021] Melanin derived from squid ink is an organic compound, so it can eliminate the following drawbacks: the strong cohesion caused by the surface charge, which is a problem in previous inorganic pigments, impairs the storage stability and hardness of the hand after use. Furthermore, by using a cationic surfactant, especially a double-chain cationic surfactant to improve dispersibility, significant storage stability can be achieved (Patent Document 2). Examples of melanin derived from squid ink include Ika Black S (Japanese original: "アイカブラックS") (Japan Chlorophyll Co., Ltd.) and squid ink pigment (Luguang Bioscience Research Institute Co., Ltd.).

[0022] The amount of melanin derived from cuttlefish ink contained in the composition containing the preparation of the present invention is, for example, preferably 0.1% or more, more preferably 0.5% or more, and further preferably 1% or more in order to exert the desired effect. In addition, the amount of hemin contained in the composition containing the preparation of the present invention is, for example, preferably 15% or less, more preferably 12.5% ​​or less, and further preferably 10% or less in consideration of the desired toxicity.

[0023] (Hemin) The hemin contained in the composition containing the preparation of the present invention is preferably contained in an amount of 0.001% or more, more preferably 0.002% or more, and further preferably 0.005% or more, for example, in order to exert the desired effect. In addition, the hemin contained in the composition containing the preparation of the present invention is preferably contained in an amount of 5% or less, more preferably 1% or less, more preferably 0.1% or less, and further preferably 0.05% or less, for example, in consideration of the desired toxicity.

[0024] (Coloring the hair) Examples of hair coloring include fashion dyeing for brightly dyeing black hair, dyeing gray hair to firmly cover gray hair (dying into black, etc.), dyeing black after bleaching, and darkening hair (Japan Hair Dyeing Industry Association homepage, URL: https: / / www.jhcia.org / information / 1_cllassification.html).

[0025] (Oxidation dyes) Oxidation dyes are dyes that develop color from oxidized polymers obtained by oxidation treatment, as described in, for example, Japanese Patent No. 7182378. Oxidation dyes are classified into "precursors" that can be oxidized alone, and "couplers" that cannot be oxidized alone but are oxidized by combining with a precursor.

[0026] The "oxidative polymer of an oxidative dye" may be a substance obtained by polymerizing at least two oxidative dyes, and may be an oxidative polymer of a single precursor, an oxidative copolymer of two or more precursors, or an oxidative copolymer of at least one precursor and at least one coupling agent. Among them, from the viewpoint of making the change in the color tone and color concentration during long-term storage of the hair dye smaller and facilitating synthesis, an oxidative polymer of a single precursor, an oxidative copolymer of two precursors, or an oxidative copolymer of a single precursor and a coupling agent is preferred, an oxidative copolymer of two precursors, or an oxidative copolymer of a single precursor and a coupling agent is more preferred, and an oxidative copolymer of a single precursor and a coupling agent is further preferred.

[0027] As a precursor, for example, p-phenylenediamine, p-aminophenol, 2,5-diaminotoluene, N-phenyl-p-phenylenediamine, 4,4'-diaminodiphenylamine, p-methylaminophenol, o-phenylenediamine, toluene-3,4-diamine, o-aminophenol, nitro-p-phenylenediamine, 2-amino-5-nitrophenol, 4-amino-2-nitrophenol, m-phenylenediamine, etc. can be mentioned. They can be used in the form of salts or hydrates such as hydrochlorides, sulfates, acetates, etc. Among them, from the viewpoint of excellent dyeing power and dyeing fastness, and making the dyeing color and dyeing concentration change smaller when the hair dye is stored for a long time, p-phenylenediamine, p-aminophenol, 2,5-diaminotoluene, o-aminophenol or 4,4'-diaminodiphenylamine is preferred, and p-phenylenediamine, p-aminophenol or 2,5-diaminotoluene is more preferred.

[0028] As coupling agents, for example, 5-amino-o-cresol, resorcin (m-dihydroxybenzene), 2,4-diaminophenoxyethanol, m-aminophenol, 2,6-diaminopyridine, toluene-2,4-diamine, etc. can be mentioned. They can be used in the form of salts such as hydrochlorides, sulfates, acetates, or hydrates. Among them, from the viewpoint of further reducing the change in the color tone and color concentration when the hair dye is stored for a long time, 5-amino-o-cresol, resorcin, 2,4-diaminophenoxyethanol, m-aminophenol or 2,6-diaminopyridine is preferred.

[0029] (Form of the composition) The composition of the present invention (composition for external use on skin, etc.) includes: 1) pharmaceuticals in the form of ampoules, capsules, powders, granules, liquids, gels, bubbles, emulsions, sheets, mists, sprays, etc. in an appropriate form for use, such as ampoules, capsules, powders, granules, liquids, gels, bubbles, emulsions, sheets, mists, sprays, etc.; 2) quasi-drugs; 3) topical or systemic external skin preparations (for example, lotions, emulsions, creams, ointments, lotions, oils, basic cosmetics such as facial masks, bar soaps, liquid soaps, facial cleansers such as hand soaps, skin cleansers, massage preparations, cleansing preparations, hair removers, depilatory preparations, shaving preparations, aftershaves, preshaves, shaving creams, foundations, lipsticks, blushers, eye shadows, eyeliners, Make-up cosmetics such as mascara, perfumes, nail polish, nail polish removers, poultices, plasters, tapes, sheets, patches, aerosols, etc.), 4) medicinal and / or cosmetic preparations for scalp and hair (for example, shampoos, conditioners, hair care products, hair pre-care products, permanent perm solutions, hair dyes, hair styling products, hair treatments, hair growth and nourishment products, poultices, plasters, tapes, sheets, aerosols, etc.), 5) bath preparations for use in bath water, 6) other anti-armpit odor agents, deodorants, antiperspirants, sanitary products, sanitary napkins, wet wipes, etc.

[0030] Such a composition can be produced by arbitrarily selecting and combining the components and additives exemplified below as needed within a range not impairing the effects of the present invention.

[0031] (Cationic surfactant) Cationic surfactants are excellent, for example, as dispersants for stably dispersing melanin derived from cuttlefish ink, and contribute to suppressing aggregation and clumping of melanin derived from cuttlefish ink in the formulation. In addition, cationic surfactants have excellent affinity and adsorption to hair, and therefore, when applied to hair, they are components that allow melanin derived from cuttlefish ink to be firmly adsorbed to hair and improve adhesion.

[0032] As specific examples of cationic surfactants, quaternary ammonium salts of mono-long chain alkyl type, quaternary ammonium salts of di-long chain alkyl type, quaternary ammonium salts of ethylene oxide addition type, etc. can be cited as preferred examples. In addition, cationic surfactants containing ester groups can also be preferably used, and quaternary ammonium salts of mono-long chain alkanoyl type, quaternary ammonium salts of di-long chain alkanoyl type, etc. can be cited. Among them, quaternary ammonium salts of di-long chain alkyl type, quaternary ammonium salts of di-long chain alkanoyl type, etc. as 2-chain cationic surfactants are particularly excellent in the dispersibility of melanin derived from cuttlefish ink, so they are more preferred. Commercially available examples of cationic surfactants include GENAMIN STAC (manufactured by Clariant) as monostearyltrimethylammonium chloride, GENAMIN KDM-P (manufactured by Clariant) as monobehenyltrimethylammonium chloride, ARQUAD 2HP FLAKE (manufactured by Lion) as distearyldimethylammonium chloride, VARISOFT PATC (manufactured by EVONIK Goldschmidt) as palmitamidopropyltrimethylammonium chloride, DEHYQUART AU-56G (manufactured by BASF) as dipalmitoyloxyethylhydroxyethylmethylammonium methylsulfate, and the like, which can also be preferably used in the present invention.

[0033] The lower limit and the upper limit of the content of the cationic surfactant are not particularly limited, but are preferably below.

[0034] · Lower limit: preferably 0.01% or more, more preferably 0.1% or more, further preferably 0.2% or more.

[0035] Upper limit: preferably 10% or less, more preferably 3% or less, further preferably 2% or less.

[0036] It is considered that by setting the upper and lower limits in this range, the melanin derived from the cuttlefish ink is dispersed well, and further, the melanin derived from the cuttlefish ink has an affinity for the hair surface, thereby improving the adsorption property.

[0037] (film forming agent) The film-forming agent may be any film-forming agent commonly used in cosmetics without particular limitation as long as it can impart adhesion of melanin derived from cuttlefish ink to hair, provide a non-sticky and non-color-shifting makeup feel when the product of the present invention is applied to hair.

[0038] Specific examples of the film-forming agent include: vinyl pyrrolidone-N,N-dimethylaminoethyl methacrylic acid copolymer diethyl sulfate, (acrylamidopropyltrimethylammonium chloride / acrylamide) copolymer, and polyquaternium-106 as cationic film-forming agents; polyvinyl pyrrolidone, (vinyl pyrrolidone / methacrylamide / vinyl imidazole) copolymer as nonionic film-forming agents; and (acrylate / tert-butylamide) copolymer, N,N-dimethylammonium- α -N-methylcarboxybetaine·butyl methacrylate copolymer, etc. Among them, cationic film-forming agents are particularly excellent in terms of adhesion to hair, non-sticky and non-color transfer makeup, and can be used more preferably. Commercially available examples of film-forming agents include: HC polymer 2L (manufactured by Osaka Organic Chemical Industry Co., Ltd.), which is a vinyl pyrrolidone-N,N-dimethylaminoethyl methacrylic acid copolymer diethyl sulfate liquid, Salcare SC60 (manufactured by BASF) as a (acrylamidopropyltrimethylammonium chloride / acrylamide) copolymer, Luviskol K90 (manufactured by BASF) as polyvinyl pyrrolidone, Luviset Clear (manufactured by BASF) as a (vinyl pyrrolidone / methacrylamide / vinylimidazole) copolymer, and N,N-dimethylammonium- α - YUKAFORMER SM (manufactured by Mitsubishi Chemical Corporation) which is an N-methylcarboxybetaine-butyl methacrylate copolymer, and PLUS SIZE L-6330 (manufactured by Huying Chemical Industry Co., Ltd.) which is an (alkyl acrylate / diacetone acrylamide) copolymer AMP, can also be preferably used in the present invention.

[0039] The content of the film-forming agent is not particularly limited, but is preferably 0.1 to 5%, and more preferably 1 to 3%. It is believed that by setting the content within this range, when the product of the present invention is applied to hair, melanin derived from cuttlefish ink can be well attached to the hair, achieving an excellent makeup feel without stickiness and color shift.

[0040] In addition, ingredients generally used in cosmetics, i.e., oily ingredients, lower alcohols, polyols, aqueous ingredients such as moisturizers, ultraviolet absorbers, antioxidants, beauty ingredients, preservatives, oil-soluble resins, dyes, cooling agents, pigments, fragrances, etc., may be appropriately contained within a range that does not hinder the effects of the present invention.

[0041] The present invention is further described in detail with reference to the following examples, but the present invention is not limited to these examples. It should be noted that in the following examples, the unit % representing the amount of each component added refers to mass %.

[0042] Example Hereinafter, examples of the present invention will be described.

[0043] (Experiment 1: Dyeing test using human hair) This test confirmed the degree of hair dyeing and the like by adding a composition of cuttlefish ink-derived melanin and hemin (a preparation containing cuttlefish ink-derived melanin and hemin) to hair. Figure 1 The graph for explaining the L value, a value, and b value measured in Experiment 1 is shown in FIG. Color space stereo image of color representation system).

[0044] (Experimental Method) 0. Preparation of Solutions Used in the Experiment Prepare the following materials.

[0045] Solution 1 (solution containing melanin derived from squid ink): IkaBlack S (Japanese original name: IkaBlack S) (Japan Chlorophyll Co., Ltd.) was used as melanin derived from squid ink. Solution 1 was prepared with the composition shown in Table 1 below.

[0046] Solution 2 (solution containing hemin, composition as shown on the right): water 93%, ethanol 5%, hemin 1%, phenoxyethanol 1% · Human hair bundle (hair bundle, Beaulax, 10cm, 1g, black hair, BM-WA) [Table 1]

[0047] In addition, the structure of hemin is as follows (Chemical 1).

[0048] [Chemistry 1]

[0049] 1. Preparation of hair used in the experiment (bleached hair) A human hair bundle (hair bundle, Beaulax, 10 cm, 2 g, black hair) was washed with 1% SDS at room temperature (25°C) for 1 hour. The washed hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature.

[0050] 2. Bleaching 1. Then, the hair bundle is immersed (treated) in 6% hydrogen peroxide water (pH adjusted to 10.4 with ammonia water) at room temperature for 1 hour. The immersed hair bundle is washed with tap water. After washing with the tap water, the hair bundle is naturally dried at room temperature. After the natural drying, a part of the hair bundle is sampled. The sampled sample is used as the hair bundle of "Measurement (0)".

[0051] 3. Sample processing As shown in Table 2, the above-mentioned solution 1 and / or solution 2 is applied to the hair bundle after bleaching treatment. After the application, the hair bundle is wrapped with a commercially available plastic wrap and left to stand at 40°C for 15 minutes. By standing still, the solution 1 and / or solution 2 is fused with the hair bundle. After the standing still, the plastic wrap is removed (the covering is removed) and the hair bundle is washed with tap water. After washing with the tap water, the hair bundle is naturally dried at room temperature. After the natural drying, a part of the hair bundle is sampled. The sampled sample is used as the hair bundle for "Measurement (1)".

[0052] 4. Further sample processing After the treatment in 3., the sample treatment in 3. (application of solution 1 and / or solution 2) is further performed multiple times (2 or 4 times). The sample obtained by further performing the following treatment 2 times and sampling is used as the hair bundle for "measurement (3)", and the sample obtained by further performing the following treatment 4 times and sampling is used as the hair bundle for "measurement (5)".

[0053] 5. Determination of L value, a value and b value Using a spectrophotometer (JASCO Corporation, UV-visible-near-infrared spectrophotometer V-770), the values ​​(L value, a value, b value) of the samples in “Measurement (1)”, “Measurement (3)”, and “Measurement (5)” were measured in comparison with the sample in “Measurement (0)”.

[0054] (Experimental results) The results of the measurement using the spectrophotometer are shown in Table 2. The L value of the group in which solution 1 and solution 2 were applied was higher than that of the group in which solution 2 alone was applied, and deeper black coloring was confirmed.

[0055] [Table 2]

[0056] (Experiment 2: Dyeing test using human hair (white hair)) This test confirms the degree of hair dyeing etc. by adding a hemin-containing composition (including a preparation containing hemin) to gray hair.

[0057] (Experimental Method) 1. Preparation of Solutions Used in the Experiment Prepare the following.

[0058] Solution 2 (a solution containing hemin, the composition is as shown on the right): water 93%, ethanol 5%, hemin 1%, phenoxyethanol 1%).

[0059] Hair bundle 1: Human hair bundle (hair bundle, Beaulax, 10cm, 1g, white hair, BM-WA) Hair bundle 2: A human hair bundle (hair bundle, Beaulax, 10 cm, 1 g, white hair, BM-WA) was immersed in a 1% SDS solution at 25°C for 1 hour for washing, immersed in a 0.5% EDTA-2Na solution at 25°C for 3 hours, and then air-dried.

[0060] 2. Sample processing Hair bundles 1 and 2 were dyed using a commercially available hair dye (Beauteen TONE DOWN COLOR Super Black, Hoyu Co., Ltd.). The hair dye described in the description of the hair dye contained 2,5-diaminotoluene, p-phenylenediamine, and p-aminophenol as oxidation dyes. After dyeing, the following treatment was performed.

[0061] The dyed hair bundle 1 was washed with 1% SDS at 25°C for 15 minutes with shaking.

[0062] The dyed hair bundle 2 was washed with 1% SDS containing 0.2% of solution 2 at 25°C for 15 minutes with shaking.

[0063] After the washing, the hair was collected, washed with water and air-dried, and this was used as the initial hair bundle (0 min) of the fading test. Next, the following treatment was performed.

[0064] • The initial hair bundle 1 was washed with 1% SDS at 25°C for 15 hours with shaking.

[0065] • The initial tufts were washed with 0.2% of Solution 2 in 1% SDS at 25°C for 15 hours with shaking.

[0066] After the washing, the hair was collected, washed with water and air-dried. This was used as the 15-hour hair bundle (15 hours) for the fading test. Next, the following treatment was performed.

[0067] The 15-hour hair bundle 1 was washed with 1% SDS at 25°C for 15 hours with shaking.

[0068] The 15-hour hair bundle 2 was washed with 1% SDS containing 0.2% of solution 2 at 25°C for 15 hours with shaking.

[0069] After the washing, the hair was collected, washed with water, and air-dried, and this was used as the 30-hour hair bundle (30 hours) for the fading test.

[0070] 3. Determination Using a spectrophotometer (JASCO Corporation, UV-visible near-infrared spectrophotometer V-770), the color of each group (initial hair bundle, 15-hour hair bundle, and 30-hour hair bundle) was measured according to the literature (Journal of the Illuminating Engineering Society, Vol. 76, No. 9, 1992, p24-p27, Development trend of color difference formula) The measurement results are shown in Table 3.

[0071] [Table 3]

[0072] As a result, in the initial hair bundle, the hair bundle after 15 hours, and the hair bundle after 30 hours, the hair bundle 2 was compared with the hair bundle 1. Smaller (i.e. the black dye is less likely to come off).

[0073] (Experiment 3: Dyeing test using human hair) This test further confirmed the degree of hair dyeing and the like by adding a composition containing melanin derived from cuttlefish ink and hemin (a preparation containing melanin derived from cuttlefish ink and hemin) to hair.

[0074] (Experimental Method) 0. Preparation of Solutions Used in the Experiment Prepare the following.

[0075] Solution 1 (solution containing melanin derived from squid ink): a solution having the composition described in Table 1 above.

[0076] Solution 2 (solution containing hemin, composition as shown on the right): water 93%, ethanol 5%, hemin 1%, phenoxyethanol 1%.

[0077] ·Human hair bundle (hair bundle, Beaulax, 10cm, 1g, white hair, BM-WA) 1. Preparation of hair used in the experiment (bleached hair) The human hair bundle was washed with 1% SDS at room temperature (25°C) for 1 hour, and the washed hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature.

[0078] 2. Bleaching 1. Then, the hair bundle was immersed (treated) in 6% hydrogen peroxide water (pH adjusted to 10.4 with ammonia water) at room temperature for 1 hour. The immersed hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature. It should be noted that after the natural drying, a part of the hair bundle was sampled as a control group.

[0079] 3. Sample processing As described in Table 4, the above-mentioned solution 1 or solution 2 was applied to the hair bundle after 2. bleaching treatment. After the application, the hair bundle was wrapped with a commercially available plastic wrap and left to stand at 40°C for 15 minutes. By the standing, the solution 1 or solution 2 was fused with the hair bundle. After the standing, the plastic wrap was removed (the covering was removed) and the hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature.

[0080] 4. value, value, Determination of value Using a spectrophotometer (JASCO Corporation, UV-visible near-infrared spectrophotometer V-770), the hair bundles after sample treatment were measured in the same manner as in Experiment 2. value, value, Determination of value.

[0081] (Measurement results) The results of the measurement using the spectrophotometer are shown in Table 4. The results show that in the sample treatment groups in Solution 1 or Solution 2, compared with the control group, Smaller (i.e. the black dye is less likely to come off).

[0082] [Table 4]

[0083] (Experiment 4: Dyeing test using human hair) Furthermore, the degree of hair dyeing and the like were confirmed by adding a composition containing melanin derived from cuttlefish ink and hemin (a preparation containing melanin derived from cuttlefish ink and hemin) to hair.

[0084] (Experimental Method) 0. Preparation of Solutions Used in the Experiment Prepare the following.

[0085] Solution 1 (solution containing melanin derived from squid ink): a solution having the composition described in Table 1 above.

[0086] Solution 2 (solution containing hemin, composition as shown on the right): water 93%, ethanol 5%, hemin 1%, phenoxyethanol 1%.

[0087] · Human hair bundle (hair (white hair) bundle, Beaulax, 10 cm, 1 g, BM-WA).

[0088] ·Seawater minerals: Ichimaru Natural Beauty Co., Ltd. Contains sodium salt, magnesium salt and potassium salt. The pH of the solution dissolved by adding 10 mL of freshly boiled and cooled water to 1.0 g of this product is 7.0 to 10.0.

[0089] 1. Preparation of Hair for Experimentation 1-1. Normal hair preparation As normal hair, the hair bundle of the person is used.

[0090] 1-2. Preparation of hair after bleaching The human hair bundle was washed with 1% SDS at room temperature (25°C) for 1 hour, and the washed hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature.

[0091] 1-2-1. Bleaching 1. Then, the hair bundle was immersed (treated) in 6% hydrogen peroxide water (pH adjusted to 10.4 with ammonia water) at room temperature for 1 hour. The immersed hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature. After the natural drying, a part of the hair bundle was sampled.

[0092] 2. Sample processing As shown in Table 5, the above-mentioned solution 1, solution 2 and / or seawater minerals were applied to the normal hair bundle (hair) of 1-1. or the hair bundle (hair) after bleaching treatment of 1-2-1. After the application, the hair bundle was wrapped with commercially available plastic wrap and left to stand at 40°C for 15 minutes. During the standing, the solution 1, solution 2 and / or seawater minerals were allowed to blend with the hair bundle. After the standing, the plastic wrap was removed (the covering was removed) and the hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature. After the natural drying, a part of the hair bundle was sampled.

[0093] 3. value, value, Determination of value Using a spectrophotometer (JASCO Corporation, UV-visible near-infrared spectrophotometer V-770), the hair bundles after sample treatment were measured in the same manner as in Experiment 2. value, value, Determination of value.

[0094] (Measurement results) The results of the measurement using the spectrophotometer are shown in Table 5. As a result, in the sample treatment group, compared with the control group of normal hair bundles and the control group of bleached hair bundles, Smaller (i.e. the black dye is less likely to come off).

[0095] [Table 5]

[0096] (Experiment 5: Dyeing test using human hair, confirmation of the degree of fading due to washing) Furthermore, the degree of hair dyeing and the like were confirmed by attaching a composition containing melanin derived from cuttlefish ink and hemin (a preparation containing melanin derived from cuttlefish ink and hemin) to hair.

[0097] (Experimental Method) 0. Preparation of Solutions Used in the Experiment Prepare the following.

[0098] Solution 1 (solution containing melanin derived from squid ink): a solution having the composition described in Table 1 above.

[0099] Solution 2 (solution containing hemin, composition as shown on the right): water 93%, ethanol 5%, hemin 1%, phenoxyethanol 1%.

[0100] · Human hair bundle (hair (white hair) bundle, Beaulax, 10 cm, 1 g, BM-WA).

[0101] ·Seawater minerals: Ichimaru Natural Beauty Co., Ltd. Contains sodium salt, magnesium salt and potassium salt. The pH of the solution dissolved by adding 10 mL of freshly boiled and cooled water to 1.0 g of this product is 7.0 to 10.0.

[0102] Sample treatment solution for Experiment 5: an aqueous solution prepared by mixing 1% solution 1, 5% solution 2, 2% seawater minerals, and 92% distilled water (DW).

[0103] 2. Preparation of Hair for Experimental Use 1-1. Normal hair preparation As normal hair, the hair bundle of the person is used.

[0104] 1-2. Preparation of hair after bleaching The human hair bundle was washed with 1% SDS at room temperature (25°C) for 1 hour, and the washed hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature.

[0105] 1-2-1. Bleaching 1. Then, the hair bundle was immersed (treated) in 6% hydrogen peroxide water (pH adjusted to 10.4 with ammonia water) at room temperature for 1 hour. The immersed hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature. After the natural drying, a part of the hair bundle was sampled.

[0106] 2. Sample processing The sample treatment solution of Experiment 5 was applied to the normal hair bundle (hair) of 1-1. or the hair bundle (hair) after bleaching treatment of 1-2-1. After the application, the hair bundle was wrapped with commercially available plastic wrap and left to stand at 40°C for 15 minutes. During the standing, solution 1, solution 2 and / or seawater minerals were blended with the hair bundle. After the standing, the plastic wrap was removed (the covering was removed) and the hair bundle was washed with tap water. After washing with the tap water, the hair bundle was naturally dried at room temperature. After the natural drying, a part of the hair bundle was sampled.

[0107] 3. Cleaning process The washing step is a process in which the hair bundle after the sample treatment is washed with water and shampooed (including drying) for a predetermined number of times (1 time, 3 times, 5 times, 10 times, 20 times, 30 times).

[0108] 4. value, value, Determination of value Using a spectrophotometer (JASCO Corporation, UV-Vis-NIR spectrophotometer V-770), the hair bundles after sample treatment and after a predetermined number of washes were measured in the same manner as in Experiment 2. value, value, Determination of value.

[0109] (Measurement results) The results of the measurement using the spectrophotometer are shown in Table 6. The results show that in both normal hair bundles and bleached hair bundles, in the sample treatment group, are smaller (i.e. the black dye is less likely to fall off).

[0110] [Table 6]

[0111] Although the embodiments (including examples) of the present invention have been described above with reference to the drawings, the specific configuration of the present invention is not limited thereto, and any design changes or the like within the scope of the present invention are also included in the present invention.

[0112] Industrial Applicability According to the present invention, it can be used as a novel preparation for coloring hair, etc.

Claims

1. A preparation for coloring hair, characterized in that Contains melanin and hemin derived from squid ink.

2. A preparation for coloring hair, characterized in that Contains hemin.

3. A method for coloring hair, characterized in that: include: The step of treating hair with oxidative dyes; as well as After the above steps, a step of performing hair treatment using the preparation according to claim 2 is performed.

4. A kit for coloring hair, characterized in that: comprising an oxidation dye and the preparation according to claim 2, The process of coloring hair comprises: treating hair with the preparation according to claim 2 after treating hair with an oxidative dye.

5. A preparation for coloring hair, characterized in that Contains melanin derived from squid ink.

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