JP6548350B1 - Hair repair composition and hair repair method - Google Patents

Abstract

Provided is a hair repair composition that improves the breaking strength of hair at least once. A hair repair composition comprising a keto acid having a carboxyl group and a ketone group or a carbonyl group in one molecule, a water-soluble polymer thickener, and a water-soluble humectant, and after the damage The composition for hair restoration which improves the breaking strength of the said hair by apply | coating to hair of this, washing with water, and making it dry. [Selection figure] None

Description

  The present invention relates to a hair repair composition and a hair repair method.

  At present, chemical treatment (permanent treatment, bleaching treatment, hair dyeing treatment, etc.) is performed on hair, processing on hair, and fashionable finishing are frequently performed. Chemical treatment is mainly a combination of oxidation treatment and reduction treatment on the hair. For example, in permanent treatment, the hair is reduced and then oxidized to give waves to the hair, or to make the hair curl or lose its hair. Correct the etc.

  When the hair is chemically treated in this way, the cuticles of the hair are exfoliated, and the side chain bonds of a plurality of keratins (keratin proteins) constituting the hair are broken. Here, the side chain bond includes a disulfide bond (cystine bond) that strongly bonds keratins to each other through sulfur, a salt bond (ion bond) that electrostatically bonds adjacent keratins, and water There are three types of hydrogen bonds that weakly bond keratins to each other. Chemical treatment mainly breaks up disulfide bonds and salt bonds. Then, when side chain bond breakage occurs, a plurality of keratins in a bundle are unwound, causing hair damage such as split hairs, broken hairs, broken hairs, porous hairs, and carbonized hairs, thereby reducing the strength of the hair. There is a problem.

  Therefore, various hair repair methods and hair repair agents for repairing hair damage have been developed. For example, in JP-A-2017-515882 (Patent Document 1), a preparation including an activator of a combination of a functional group capable of forming a covalent bond with a nucleophile such as thiol and an ionizable functional group A hair treatment method is disclosed for applying the agent to the hair. Thereby, it is possible to reconstruct the disulfide bond in keratin that is found in hair and the like and to repair the damage of the hair.

  JP-A-2016-523844 (patent document 2) discloses that four reactive moieties that react with free thiol groups and have one or more charges, and two or more charges and reactive moieties. A method for treating hair comprising applying to the hair a formulation comprising a binder having an upper charge and an opposite charge, the total charge being zero, and the reactive moiety comprising a binding agent that ionically binds to the linker. Is disclosed. This is said to provide the benefit of improved conditioning to the drying of the hair and to provide the hair with a continuous moist and smooth feel without a greasy feel.

  Further, Japanese Patent Application Laid-Open No. 2003-267844 (Patent Document 3) discloses a hair repair agent containing 15 to 30% by mass of hydrolyzed keratin and 0.01 to 1% by mass of inositol hexaphosphate. As a result, it is said that the repairing action on damaged hair is excellent, and furthermore, the precipitation of hydrolyzed keratin under high temperature can be suppressed.

  Moreover, it is a hair repair agent for repairing the damage by chemical processing of hair, and the hair repair agent containing propolis is disclosed by Unexamined-Japanese-Patent No. 2014-218440 (patent document 4). As a result, even for hair with a high degree of damage, a high repair effect can be exhibited with a single use.

JP-A-2017-515882 Japanese Patent Application Publication No. 2016-523844 Japanese Patent Application Publication No. 2003-267844 JP, 2014-218440, A

  At present, compositions for hair repair focused on improving the strength of the hair are on the market, and the compositions for hair repair contain a dicarboxylic acid (for example, maleic acid) or a derivative thereof that contributes to hair repair. It is done.

  However, in the hair repair composition containing a dicarboxylic acid, there is a problem that the strength of the hair is insufficient, and a novel component for further improving the strength of the hair has been required.

  Therefore, the present invention has been made to solve the above-mentioned problems, and to provide a hair repair composition and a hair repair method capable of improving the strength of hair with at least one use. To aim.

  The hair repair composition according to the present invention comprises a keto acid having a carboxyl group and a ketone group or a carbonyl group in one molecule, a water-soluble polymer thickener and a water-soluble moisturizing agent. It is a composition for hair repair which improves the breaking strength of the said hair by applying this composition for hair repair to the hair after damage, washing with water, and making it dry.

  The hair repair method according to the present invention comprises a hair repair composition containing a keto acid having a carboxyl group and a ketone group or a carbonyl group in one molecule, a water-soluble polymer thickener, and a water-soluble moisturizing agent. The hair repair method using the hair repair composition according to claim 1, wherein the hair repair composition is applied to the damaged hair, washed with water and dried to improve the breaking strength of the hair.

  According to the present invention, it is possible to improve the strength of hair with at least one use.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention. The following embodiment is an example embodying the present invention and is not of the nature to limit the technical scope of the present invention.

  The present inventor has long been devotedly researching a hair repair composition, and in order to improve the strength of the hair, it searches for an active ingredient to be changed to known dicarboxylic acids and hydroxy acids, focuses on keto acids, and will be described later. The present invention has been completed based on the examples.

  That is, the hair repair composition according to the present invention comprises a keto acid having a carboxyl group and a ketone group or a carbonyl group in one molecule, a water soluble polymer thickener, and a water soluble humectant. It is a composition for repair, which is a composition for hair repair which improves the breaking strength of the hair by applying the composition for hair repair to the damaged hair, washing with water and drying. This makes it possible to improve the strength of the hair at least once.

  In other words, the carboxyl group of the keto acid and the ketone group or carbonyl group react with the amino group of the basic amino acid of the keratin from which the side chain bond has been broken among the keratins in the hair after injury. Regenerate salt bonds. This mainly regenerates the salt bonds of the side chain bonds and strongly repairs hair damage. In particular, water soluble polymeric thickeners promote the infiltration of keto acids to the cleaved keratin and increase the reaction of keto acids.

  Here, when the hair after application of the composition for hair repair is dried, the reaction of keto acids in the cut keratin tends to be reduced. Therefore, in the present invention, by further adding a water-soluble moisturizing agent, water in keratin after application can be secured, drying of hair can be prevented, and reaction reduction of keto acid can be surely prevented. Therefore, it is possible to improve the strength of hair with at least one use.

  In addition, with hair after damage, the side chain bond (disulfide bond, salt bond, hydrogen bond) of keratins in the hair is broken by chemical treatment, and split hair, broken hair, broken hair, porous hair, carbonized hair Means that hair such as Further, the breaking strength of the hair (also referred to as the tensile strength of the hair) means the breaking weight (g) applied to the hair when the hair is stretched in the longitudinal direction and broken, specifically, the hair repair The composition for use is applied, washed with water, and dried, and the hair is stretched with a predetermined load by a predetermined load measuring device, and the weight (g) of the load applied to the hair when broken is obtained.

  There is no particular limitation on the type of keto acid, but for example, mention may be made of glyoxylic acid, pyruvic acid, oxaloacetic acid, alpha ketoglutaric acid, acetoacetic acid, oxaloacetic acid, acetonedicarboxylic acid, levulinic acid, alpha ketoglutaric acid, or a combination thereof Can do. The hair repair composition may also contain a derivative of keto acid. The keto acid preferably contains glyoxylic acid, levulinic acid, or a combination thereof from the viewpoint of improving the breaking strength of the hair.

  Although the concentration of keto acid is not particularly limited, for example, it is preferably 0.001% by weight to 20% by weight with respect to the total hair repair composition, and from the viewpoint of the ease of passing the hand comb after restoration More preferably, it is 0.001% by weight to 5% by weight with respect to the total hair repair composition.

  There is no limitation in particular in the kind of water-soluble polymer thickener, For example, it is possible to mention natural polymer, semi synthetic polymer, and synthetic polymer, and even ionic polymer thickener, nonionic polymer It may be a thickener. Examples of the water-soluble polymer thickener include hydrophilic polysaccharides, silicones, vinyl polymers, or a combination thereof. The water-soluble polymeric thickener is preferably resistant to salt.

  Hydrophilic polysaccharides are classified into, for example, natural polymers and semi-synthetic polymers. Natural polymers include, for example, xanthan gum, gum arabic, guar gum, karaya gum, carrageenan, pectin, fucoidan, quinseed gum, trout gum, locust bean gum, galactomannan, curdlan, gellan gum, fucogel, casein, gelatin, starch, collagen, The following can be mentioned: Chrysanthemum polysaccharide, carboxymethylcellulose, hydroxyethylcellulose, tamarin dough gum, succinoglucan, sodium alginate, pullulan, sodium hyaluronate, quince seed extract and the like.

  Semi-synthetic polymers are, for example, methylcellulose, ethylcellulose, methylhydroxypropylcellulose, carboxymethylcellulose, hydroxymethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, hydroxyethylcellulose, stearoxyhydroxypropylmethylcellulose, sodium carboxymethylcellulose, alginic acid propylene glycol ester, cellulose Examples thereof include crystals, starch / sodium acrylate graft polymer, hydrophobized hydroxypropyl methylcellulose and the like.

  Examples of silicones include dimethylpolysiloxane (dimethicone), dimethylpolysiloxane having a hydroxy end group (dimethiconol), methylphenylpolysiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, polyether-modified silicone, and an average degree of polymerization Examples thereof include high-polymerized silicone, amino-modified silicone, betaine-modified silicone, alkyl-modified silicone, alkoxy-modified silicone, mercapto-modified silicone, carboxy-modified silicone, fluorine-modified silicone and the like. Here, the amino-modified silicone includes, for example, aminopropylmethylsiloxane / dimethylsiloxane copolymer (aminopropyldimethicone), aminoethylaminopropylsiloxane / dimethylsiloxane copolymer (amodimethicone), aminoethylaminopropylmethylsiloxane dimethyl A siloxane copolymer (trimethylsilyl amodimethicone) etc. can be mentioned.

  Examples of vinyl polymers include polyvinyl alcohol, partially saponified polyvinyl alcohol, low saponified polyvinyl alcohol, polyvinyl methyl ether, polyvinyl pyrrolidone, carboxyvinyl polymer and the like. Here, in addition to the vinyl-based polymer, a polyoxyethylene-based polymer, an acrylic-based polymer, polyethylene imine, a cationic polymer or the like may be included. Examples of polyoxyethylene polymers include polyethylene glycol 20,000, polyethylene glycol 40,000, polyethylene glycol 60,000 and the like. Also, examples of acrylic polymers include sodium polyacrylate, polyethyl acrylate, polyacrylamide and the like.

  The concentration of the water-soluble polymer thickener is not particularly limited. For example, it is preferably 0.001% by weight to 5% by weight with respect to the total hair repair composition, and the hand comb of hair after repair is passed From the viewpoint of ease, it is further preferable that the content is 0.001% by weight to 3% by weight with respect to the total hair repair composition.

  The type of water-soluble moisturizing agent is not particularly limited. For example, polyols, hydroxypropyltrimonium hyaluronate, hydroxypropyltrimonium chloride chloride, chondroitin sulfate, hyaluronic acid, mucoitin sulfate, caronic acid, atelocollagen, cholesteryl-12-hydroxy Examples thereof include stearate, sodium lactate, bile salts, dl-pyrrolidone carboxylate, short chain soluble collagen, diglycerin (EO) PO adduct, extract of Izayoira, extract of Yarrow extract, extract of Meriloto, and the like.

  Examples of the polyol include dihydric alcohol, trihydric alcohol, tetrahydric alcohol, pentahydric alcohol, hexahydric alcohol, octahydric alcohol, and pentahydric alcohol. Examples of dihydric alcohols include ethylene glycol, propylene glycol, dipropylene glycol, 1,3-butylene glycol, hexamethylene glycol, neopentyl glycol and the like. The trihydric alcohol may be glycerin, trioxyisobutane, 1,2,3-butanetriol, 1,2,3-pentatriol, 2-methyl-1,2,3-propanetriol, 2-methyl-2,3,3. 4-butanetriol, 2-ethyl-1,2,3-butanetriol, 2,3,4-pentanetriol, 2,3,4-hexanetriol, 4-propyl-3,4,5-heptanetriol, 2 2,4-dimethyl-2,3,4-pentanetriol, pentamethylglycerin, pentaglycerin, 1,2,4-butanetriol, 1,2,4-pentanetriol, trimethylolethane, trimethylolpropane etc. Can do. Examples of tetrahydric alcohols are pentaerythritol, 1,2,3,4-pentanetetrol, 2,3,4,5-hexanetetrol, 1,2,4,5-pentanetetrol, 1,3,4. There may be mentioned 5-hexanetetratrol and the like. Examples of pentahydric alcohols include adonitol, arabitol, xylitol and the like. Examples of hexahydric alcohols include dipentaerythritol, sorbitol, mannitol, iditol and the like. Examples of the octahydric alcohol include sucrose and the like. Examples of the 9-hydric alcohol include maltitol and the like.

  The concentration of the water-soluble moisturizing agent is not particularly limited, but for example, it is preferably 0.1% by weight to 5% by weight with respect to the total hair repair composition. From the viewpoint, it is further preferable that the content is 0.1% by weight to 3% by weight with respect to the total hair repair composition.

  Although there is no limitation in particular in pH of the composition for hair repair, For example, it is preferable in it being pH 2-pH 10.

  The composition for hair reparation includes, in addition to the components described above, solvents, dyes, stabilizers, pH adjusters, animal and plant extracts, water-soluble polymers, amino acids and derivatives thereof, to the extent that they do not interfere with the effects described above. Other ingredients such as proteins and their derivatives, vitamins, UV inhibitors, antioxidants, sequestering agents, perfumes and the like can be included.

  There are no particular limitations on the form of the hair repair composition, but, for example, shampoos, conditioners, treatments, styling agents (hair setting agents, hair styling agents), perms, hair coloring agents, creams, lotions, gels, brighteners, Spray etc. can be mentioned. By shampoo is meant a liquid or semisolid that is applied to the hair containing a detergent or soap to wash the hair. By conditioner is meant a liquid or semi-solid which is applied to the hair to soften the hair, smooth the hair and / or change the gloss of the hair. The treatment means a liquid or semisolid applied to the hair to replenish the hair with water, oil, nourish the hair, or prevent damage or dandruff to the hair. By styling agent is meant a liquid or semi-solid that is applied to the hair in order to fix and fix the hairstyle. By permanent liquid is meant a liquid or semi-solid that is applied to the hair to reduce hair. By hair coloring agent is meant a liquid or semi-solid which is applied to the hair in order to dye the hair in a specific color.

  When the composition for hair repair is a shampoo, the shampoo is constituted by adding the components for hair repair composition (keto acid, water-soluble polymer thickener, water-soluble moisturizer) to the components of shampoo. I can do it. When the composition for hair repair is a conditioner, the conditioner can be similarly configured by adding the components of the composition for hair repair to the components of the conditioner. The same applies to treatments, styling agents, permanent solutions, hair coloring agents, creams, lotions, gels, brighteners, sprays and the like.

  There is no limitation in particular in the manufacturing method of the composition for hair repair, The manufacturing method which heats the mixed liquid containing the component of the composition for hair repair at 30 degreeC-100 degreeC, or it cools naturally can be mentioned.

  The hair repair method using the hair repair composition is a hair repair method in which the hair repair composition is applied to the damaged hair, washed with water and dried to improve the breaking strength of the hair.

  There is no particular limitation on the method of applying the hair repair composition, and for example, the composition may be applied on the same day as the chemical treatment to damage the hair, or within several days to two weeks after the chemical treatment. Can be mentioned. Also, the application amount of the hair repair composition is not particularly limited. For example, it is preferable that the amount is sufficient to saturate the damaged hair. There is no limitation in particular in the frequency | count of application | coating of the composition for hair repair, For example, 1 time may be sufficient and you may repeat 2 times or more.

  There is no particular limitation on the method for washing the hair repair composition, for example, immediately after the final application of the hair repair composition to the hair after damage, within 60 seconds after the final application, 5 minutes after the final application, The method of wash | cleaning the hair after application | coating after predetermined time, such as 10 minutes and 20 minutes, can be mentioned.

  There is no limitation in particular in the drying method of the composition for hair repair, For example, the method of making the hair after water washing dry with a dryer can be mentioned. The drying temperature for hair after water washing is, for example, 15 ° C. to 45 ° C., and the drying time is 1 minute to 60 minutes.

  There is no limitation in particular in the number of the hair repair methods with respect to the hair after damage, For example, you may be once and may repeat 2 or more times.

  Examples of the present invention, comparative examples and the like will be specifically described below, but the application of the present invention is not limited to the present examples and the like.

(1) Preparation of Shampoo Composition First, 30 mass% of polyoxyethylene alkyl (12, 13) sodium ether sulfate (3E.O.) (ALSCOPE DA-330S manufactured by Toho Chemical Co., Ltd.) in purified water, coconut oil Add 10% by weight of fatty acid amidopropyl betaine solution (TEGOBETAIN CKKB 5 S made by Evonik Japan Co., Ltd.) and 3% by weight of cocamidomethyl MEA (Aminoone C-11S made by Kao Co., Ltd.) and warm and dissolve while stirring. I kept it. Thereafter, the mixture is naturally cooled with stirring and cooled to 40 ° C., 0.1% by weight of citric acid (purified citric acid crystal M manufactured by Sakai Chemical Industry Co., Ltd.), methylisothiazolinone (manufactured by Chemi- clar Corporation) ZONEN MT-10) 0.01 wt% was added. At that time, the components of the hair repair composition were added according to the formulations shown in Tables 1 to 4 described later. Further, the mixture was naturally cooled with stirring, and upon cooling to room temperature, the stirring was stopped, and the resulting shampoo composition was one aspect of the hair repair composition.

  In Tables 1 to 4, the numerical values relating to the ingredients indicate the weight% of the ingredients relative to 100% by weight of the shampoo composition.

  In Tables 1 to 4, glyoxylic acid uses Glyoxylic Acid manufactured by Tokyo Kasei Co., Ltd., levulinic acid uses levulinic acid manufactured by Otsuka Chemical Co., Ltd., and hydrophobized hydroxypropyl methylcellulose is manufactured by Daido Kasei Co., Ltd. The 1,3-butylene glycol used is High Sugar Cane BG manufactured by Higher Alcohol Industries Ltd. The amodimethicone used SM 8904 Cosmetic Emulsion manufactured by Toray Dow Corning Co., Ltd. , And LUSCOSOL K90 manufactured by BASF, maleic acid manufactured by Nacalai Tesque, Inc. was used, and succinic acid manufactured by Sakai Chemical Co., Ltd. was used.

(2) Treatment of hair 5g of decoloring agent (NUMBER THREE BP, manufactured by No. 3 Co., Ltd.) and 15 g of oxidizing agent (No. 2 of HUE, No. 3 Co., Ltd.) are mixed until uniform, to form a mixture did. 1 g of the obtained mixture was attached to a brush, and the brush was applied to the front and back of a hair bundle in which 1 g of black hair was fanned and left to stand at 25 ° C. for 15 minutes to 30 minutes. . This causes the hair to be damaged. Thereafter, the hair bundle was washed with water, and the washed hair bundle was washed once using the shampoo composition prepared in “(1) Preparation of shampoo composition” and dried with a dryer.

(3) Breaking Strength of Hair Bundle The breaking strength (g) of the hair bundle treated in "(2) Hair treatment" was measured with a load measuring instrument (tensile compression tester) (DIANOS-A2 manufactured by TOTO Co., Ltd.). In the measurement method, the hair bundle was fixed to a clamper, and the breaking weight (g) applied to the hair when the hair bundle was pulled and broken was taken as the breaking strength of the hair. The higher the breaking strength value, the better the strength of the hair (i.e. the hair is being repaired).

(4) Color difference of hair bundle The color difference of the hair bundle processed by "(2) Hair treatment", that is, L value (-) was measured with a spectrometric color meter (SE-2000 manufactured by Nippon Denshoku Kogyo Co., Ltd.) . The higher the value of L, the darker the hair (ie, less damage to the hair).

(5) Sensory evaluation About the feel at the time of letting the hair bundle processed by "(2) treatment of hair" pass a hand comb, sensory evaluation was performed by five expert panelists. The rating is 5 levels (5 points: not confirmed at all, 4 points: not confirmed, 3 points: neither confirmed nor confirmed, 2 points: confirmed, 1 point: clearly caught Can be confirmed), and the score of each panelist is totaled and ranked according to the following criteria. The product with the evaluation of "◎" and "○" is passed as a product.

<Standard>
◎: The total score is 20 or more ○: The total score is 15 or more and less than 20,
Δ: The sum of scores is 10 or more and less than 15 points x: The sum of scores is less than 10 points.

  The results of “(3) breaking strength of hair bundle”, “(4) color difference of hair bundle” and “(5) sensory evaluation” are shown in Tables 1 to 4. As shown in Table 1, in Examples 1 to 5, glyoxylic acid as a keto acid, hydrophobized hydroxypropyl methylcellulose as a water soluble polymer thickener, and 1,3-butylene glycol as a water soluble humectant were added. As a result, the breaking strength of the hair showed a high value. Also, the L value of the hair was high, and the sensory test was also evaluated as "「 "and" 及 び ".

  Also, as shown in Table 2, in Examples 6 to 10, even when the keto acid was changed from glyoxylic acid to levulinic acid, the breaking strength of the hair similarly exhibited high values. Also, the L value of the hair was high, and the sensory test was also evaluated as "「 "and" 及 び ". Furthermore, even when the concentration of keto acid was changed, the breaking strength of the hair showed a high value.

  Furthermore, as shown in Table 3, in Examples 11 to 17, the keto acid is levulinic acid, the concentration of the water-soluble polymer thickener is changed, and the type of the water-soluble polymer thickener is quince seed extract Even when changing to amodimethicone or polyvinyl pyrrolidone or changing the type of water-soluble moisturizing agent to propylene glycol or glycerin, the breaking strength of the hair showed a high value.

  On the other hand, as shown in Table 4, in Comparative Examples 1 to 3, when the keto acid is changed to maleic acid or succinic acid of dicarboxylic acid or to salicylic acid of hydroxy acid, the L value of the hair is high, and the functional Although the test was also evaluated as "◎", the breaking strength of the hair was a low value. In addition, the breaking strength of all the hair of Examples 1-17 showed the value higher than the breaking strength of the hair of Comparative Examples 1-3 surprisingly.

  Therefore, a hair repair composition (shampoo composition) combining a keto acid, a water soluble polymer thickener and a water soluble humectant is compared with a conventional hair repair composition containing a dicarboxylic acid or a hydroxy acid. Thus, it has been found that the hair strength is improved by at least one use.

  In addition, by setting the concentration of the keto acid and the concentration of the polymeric thickener within the respective predetermined ranges, it is possible to improve the breaking strength of the hair and to improve the ease of passing the hand comb of the hair after restoration. I understood.

  In the Examples, Comparative Examples, etc. in the present invention, the composition for hair repair was evaluated using a shampoo composition, but the composition is not limited to a shampoo composition, and conditioners, treatments, styling agents, perms, hair It is assumed that the same effect can be obtained even if the composition is formed into a coloring agent, cream, lotion, gel, brightener, spray and the like.

  As mentioned above, the composition for hair repair which concerns on this invention is a shampoo, a conditioner, a treatment, a styling agent, a perm liquid, a hair coloring agent, a cream, a lotion which contains not only a single component but the component of the composition for hair repair. It is useful as a hair repair composition and a hair repair method which is useful for gels, gloss agents, sprays and the like, and can improve the strength of hair with at least one use.

Claims (2)

Levulinic acid at a concentration of 0.001% to 5% by weight with respect to the total hair repair composition ,
A hydrophilic polysaccharide, a water-soluble silicone, or a water-soluble polymer thickener of a vinyl polymer at a concentration of 0.001% by weight to 3% by weight based on the total hair repair composition ;
A water-soluble humectant at a concentration of 0.1% to 3% by weight with respect to the total hair repair composition ,
A hair repair composition containing
A hair repair composition which improves the breaking strength of the hair by applying the present hair repair composition to damaged hair, washing with water and drying. Levulinic acid at a concentration of 0.001% to 5% by weight with respect to the total hair repair composition and hydrophilic polysaccharide at a concentration of 0.001% to 3% by weight for the total hair repair composition And a water- soluble polymer thickener of a water-soluble silicone or vinyl polymer, and a water-soluble moisturizer at a concentration of 0.1% by weight to 3% by weight with respect to the total hair repair composition. A hair repair method using a hair repair composition comprising:
A hair repair method for improving the breaking strength of the hair by applying the hair repair composition to damaged hair, washing with water and drying.