JP5283531B2 - Hair strengthening agent - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hair-reinforcing agent which can restore the damages of hair to maintain a hair-reinforcing effect for improving a permanent wave effect and a hair color effect. <P>SOLUTION: This hair-reinforcing agent is characterized by containing a liquid A and a liquid B, wherein the liquid A is a buffer solution; the liquid B is an aqueous solution containing hydroxypropyl cellulose and at least one compound selected from the group consisting of D, L-pyrrolidone carboxylic acid, amino acids and glutathione; hair is coated with the liquid A and then the liquid B to react both the liquids on the hair, thereby forming a water-soluble gummy substance to reinforce the hair. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a hair strengthening agent, and more particularly to a hair strengthening agent for imparting tension and gloss to damaged hair and effectively performing permanent wave treatment or hair color treatment.

  There have been many treatments to strengthen damaged hair and make it beautiful and shiny. However, most of them are aqueous solutions of hydrolyzed proteins such as keratin and collagen, and aqueous solutions of polymer resins, which flow out of the hair by a single shampoo and lose its effectiveness. It was.

  In recent years, cationic active agents containing hydroxypropyl cellulose (such as lauryltrimethylammonium chloride) and anionic active agents (such as sodium polyacrylate) are reacted on the hair to produce a water-insoluble gum-like substance. However, there are hair strengthening agents that try to strengthen the hair, but satisfactory results have not been obtained.

  Even if a water-soluble protein hydrolyzate or polymer resin is used, the effect of strengthening the hair is not permanent, and even if it is a salt-insoluble substance that is insoluble in water due to an anionic substance and a cationic substance, the effect is sufficient. Not obtained.

As a result of intensive studies, the present inventors are a hair strengthening agent composed of two liquids, liquid A and liquid B,
A solution is a buffer solution, and B solution is an aqueous solution containing at least one compound selected from the group consisting of pyrrolidone carboxylic acid, amino acid, and glutathione and hydroxypropyl cellulose,
The liquid A and the liquid B are continuously applied to the hair, and the two liquids react on the hair to form a gum-like substance, thereby completing the invention of a hair strengthening agent characterized by strengthening the hair. It came to.

  The present invention is as follows.

Item 1. A hair strengthening agent composed of two liquids, liquid A and liquid B,
The solution A is a buffer solution, and the solution B is an aqueous solution containing at least one compound selected from the group consisting of pyrrolidone carboxylic acid, amino acid, and glutathione, and hydroxypropyl cellulose, the solution A And the solution B are continuously applied to the hair, and the two solutions react on the hair to form a water-insoluble gum-like substance, thereby strengthening the hair.

  Item 2. Item 2. The hair strengthening agent according to Item 1, wherein the amino acid is an acidic amino acid.

  Item 3. Item 3. The hair strengthening agent according to any one of Items 1 or 2, wherein the pH of the solution A is 2.0 to 9.0.

  Item 4. Item 4. The hair strengthening agent according to any one of Items 1 to 3, wherein the compound contained in the liquid B is 0.5% by weight or more and less than 5.0% by weight.

  Item 5. Item 5. The hair strengthening agent according to any one of Items 1 to 4, wherein the hydroxypropylcellulose contained in the solution B is 0.2% by weight or more and 3.0% or less.

  Item 6. Item 6. The hair strengthening agent according to any one of Items 1 to 5, wherein a weight ratio of the compound and hydroxypropylcellulose contained in the solution B is 1: 6 to 25: 1. .

  Item 7. Item 7. The hair strengthening agent according to any one of Items 1 to 6, wherein the compound is a mixture having an abundance ratio of D-form and L-form of 10:90 to 90:10.

  Item 8. Item 8. A method of treating hair further with a permanent wave agent, a hair coloring agent, or a hair straightener after pretreating the hair with the hair strengthening agent according to any one of Items 1-7.

  According to the present invention, the hair can be strengthened, and the elasticity is strong and the hair can be repaired. Therefore, it is possible to provide hair that is easy to style and rich in beauty, and that it is also possible to provide effects that improve the feel, moistness, flexibility, smoothness, texture, gloss, etc. of the hair. Become.

The figure showing the result of examination of pH of liquid A in the formation of gum-like substance The figure explaining the experimental device used for the hair strengthening effect experiment

  The gum-like substance in the present invention is a substance consisting of at least one compound selected from the group consisting of pyrrolidone carboxylic acid, amino acid, and glutathione, and hydroxypropylcellulose. Accordingly, at least one compound selected from the group consisting of pyrrolidone carboxylic acid, amino acid, and glutathione and hydroxypropyl cellulose in the present invention are both active ingredients of the hair strengthening agent of the present invention.

  In the present invention, the amino acid serving as the active ingredient of the gum-like substance may be an acidic amino acid such as glutamic acid or aspartic acid.

  The at least one compound selected from the group consisting of pyrrolidone carboxylic acid, amino acid, and glutathione in the present invention is a mixture of D-form and L-form compounds, and a racemate having a ratio of both of 1: 1. It is not limited to this.

  In the present invention, at least one compound selected from the group consisting of hydroxypropyl cellulose forming a gum-like substance as a film component and pyrrolidone carboxylic acid, amino acid, and glutathione is contained in the same solution, and the solution It is preferable to produce a gum-like substance by mixing hydroxypropylcellulose with the amino acid analog by mixing the lysate with a buffer solution. The reason is that if the compound and hydroxypropylcellulose are mixed and mixed in separate solutions, unevenness occurs during the reaction on the hair and uniform treatment cannot be performed.

  In the present invention, it is desirable that the liquid B is applied after the liquid A is applied as the order in which the liquid A and the liquid B are continuously applied to the hair.

  In the present invention, the concentration of at least one compound selected from the group consisting of pyrrolidone carboxylic acid, amino acid, and glutathione contained in solution B is 0.5 wt% or more and less than 5.0 wt%. More preferably, it is 1.0 wt% or more and 3.0 wt% or less.

  In the present invention, the weight ratio of at least one compound selected from the group consisting of pyrrolidone carboxylic acid, amino acid, and glutathione contained in the solution B and hydroxypropyl cellulose is 1: 6 to 25: 1. More preferably, it is 1: 3 to 15: 1.

  In the present invention, at least one compound selected from the group consisting of pyrrolidonecarboxylic acid, amino acid, and glutathione may be a salt thereof.

  The liquid A in the present invention contains an organic acid or an inorganic acid. Examples of organic acids include acetic acid, glycolic acid, propionic acid, lactic acid, tartaric acid, malic acid, succinic acid, and citric acid. Examples of inorganic acids include hydrochloric acid, sulfuric acid, and phosphoric acid.

  The pH range of the solution A in the present invention is 2.0 to 9.0. A preferred range is 2.0 to 5.0. A more preferable range is 2.0 to 4.0.

  The pH of the solution B in the present invention is not particularly limited, but is preferably 5.0 to 9.0. More preferably, it is 6.0-8.0.

  The liquid A of the present invention may contain a thickener for the purpose of facilitating application to hair. Examples of thickeners include sodium polyacrylate, sodium carboxymethylcellulose, hydroxyethylcellulose, methylcellulose, ethylcellulose, sodium alginate, ester gum, nitrocellulose, hydroxypropylcellulose polyvinyl alcohol, polyvinylpyrrolidone, carboxyvinyl polymer, polyvinylmethylcellulose, polyamide resin, Examples include gum arabic, tragacanth gum, guar gum, locust bean gum, karaya gum, iris moss, quince seed, gelatin, shellac, rosin, and casein.

  The liquid A of the present invention may contain a humectant as a hair repair component. Examples of moisturizers are polyhydric alcohols such as trimethylglycine, propylene glycol, concentrated glycerin, 1,3-butanediol, 3-methyl-1,3-butanediol, sodium hyaluronate, urea, lactic acid bacteria culture solution, yeast extraction Examples thereof include liquid, eggshell membrane protein, bovine submandibular mucin, hypotaurine, sesameignan glycoside, chondroitin sulfate, glutathione, polyethylene glycol, sorbitol, carbitol, sodium lactate, and albumin.

  The liquid A or liquid B of the present invention may contain, in addition to the amino acid as an active ingredient for forming a gum-like substance, an amino acid as a hair repair component, a protein or a peptide obtained by degrading a protein, gelatin, and the like. Shall. Examples of amino acids include amino acids such as alanine, cysteine, aspartic acid, glutamic acid, phenylalanine, glycine, histidine, isoleucine, lysine, leucine, methionine, asparagine, proline, glutamine, arginine, serine, threonine, valine, tryptophan, tyrosine, and The analog form is mentioned. Examples of proteins include collagen, elastin, collagen, keratin, conchiolin, pearlcin and the like. Examples of protein degrading peptides include collagen degrading peptides, elastin degrading peptides, keratin degrading peptides, conchiolin degrading peptides, pearlcin proteolytic peptides, silk proteolytic peptides, wheat proteolytic peptides, wheat proteolytic peptides, casein degrading peptides, and milk degrading peptides. Examples thereof include protein peptides such as peptides and derivatives thereof.

  In the liquid A or liquid B of the present invention, a preservative may be contained in order to keep the components to be blended stably for a long period of time. Examples of preservatives are sodium benzoate, benzalkonium chloride, sorbic acid, potassium sorbate, methyl paraoxybenzoate, ethyl paraoxybenzoate, propyl paraoxybenzoate, butyl paraoxybenzoate, phenoxyethanol, 5-chloro-2-methyl -4-isothiazolin-3-one, phenoxyethanol, 2-methyl-4-isothiazolin-3-one, and the like.

  The liquid A or liquid B of the present invention may contain a surfactant. The surfactant belongs to any kind of ether type nonionic surfactant, ester type nonionic surfactant, cationic surfactant, anionic surfactant or amphoteric surfactant. But it's fine.

  Examples of ether type nonionic surfactants include polyoxyethylene (hereinafter referred to as POE) cetyl ether, POE stearyl ether, POE behenyl ether, POE oleyl ether, POE lauryl ether, POE octyldodecyl ether, POE hexyl decyl ether Examples include ether and POE isostearyl ether.

  Examples of ester type nonionic surfactants include POE sorbitan monooleate, POE sorbitan monostearate, POE sorbitan monopalmitate, POE sorbitan monolaurate, POE sorbitan trioleate, POE glycerin monostearate, monomyristine Acid POE glycerin, tetraoleic acid POE sorbit, hexastearic acid POE sorbit, monolauric acid POE sorbit, POE sorbite beeswax, monooleic acid polyethylene glycol, monostearic acid polyethylene glycol, monolauric acid polyethylene glycol, lipophilic monooleic acid glycerin, Lipophilic glyceryl monostearate, self-emulsifying glyceryl monostearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, monos Alin sorbitan, sorbitan monopalmitate, sorbitan monolaurate, sucrose fatty acid ester, decaglyceryl monolaurate, decaglyceryl monostearate, decaglyceryl monooleate, etc. monomyristate decaglyceryl the like.

  Examples of cationic surfactants include behenyl trimethyl ammonium methyl sulfate, alkyl trimethyl ammonium chloride, lauryl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, stearyl trimethyl ammonium bromide, lauryl trimethyl ammonium bromide, dialkyl chloride And quaternary ammonium salts such as dimethylammonium.

  Examples of anionic surfactants include fatty acid salts, metal soaps, acyl glutamates, acylmethyl taurates, alkyl sulfates, alkyl ether sulfates, POE lauryl ether phosphates and salts thereof, dodecylbenzene sulfonate tris. Examples include ethanolamine, sodium tetradecene sulfonate, and dioctyl sodium sulfosuccinate.

  Fatty acid salts include coconut oil fatty acid potassium, coconut oil fatty acid triethanolamine, sodium laurate, potassium myristate, myristic acid isopropanolamine, sodium palmitate, sodium stearate, stearic acid triethanolamine, potassium oleate, oleic acid Sodium etc. are mentioned. Examples of the metal soap include magnesium stearate, calcium stearate, magnesium myristate, and the like.

  Examples of the acyl glutamate include coconut oil fatty acid acyl glutamate potassium, coconut oil fatty acid acyl glutamate triethanolamine, lauroyl glutamate triethanolamine, myristoyl glutamate potassium, stearoyl glutamate sodium and the like.

  Examples of the acylmethyl taurine salt include potassium lauroylmethyl taurine, coconut oil fatty acid methyl taurine sodium, palmitoyl methyl taurine sodium, stearoyl methyl taurine sodium and the like.

  Examples of the alkyl sulfate ester salt include sodium lauryl sulfate and triethanolamine lauryl sulfate.

  Examples of the alkyl ether sulfate salt include POE sodium lauryl ether sulfate and POE lauryl ether sulfate triethanolamine.

  The liquid A or liquid B of the present invention may contain an alcohol as a solvent for dissolving the components to be blended. Further, the alcohols may belong to any species such as a lower alcohol or a polyhydric alcohol as a solvent.

  Examples of lower alcohols include ethanol, propanol, isopropanol, butanol, isobutanol and the like.

  Polyhydric alcohols include glycols, glycerols, and the like, and examples of glycols include ethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, isoprene glycol, and 1,3-butylene glycol. Examples of glycerins include glycerin, diglycerin, and polyglycerin.

  In addition to the above-described components, fragrances, vitamins, antioxidants, ultraviolet absorbers, and the like may be added to the hair strengthening agent as long as the effects of the present invention are not impaired.

  Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.

Example 1: Test example 1 for preparing a hair strengthening agent
Based on the composition shown in Table 1, hair strengthening agents were prepared. Each component was prepared by dissolving in purified water. After preparing liquid A and liquid B, equal amounts of each were mixed to precipitate a gum-like substance, and the strength of the gum-like substance was examined.

  In addition, in the liquid B of Table 1, an experiment was conducted using equivalent amounts of methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, or carboxymethyl cellulose, which are the same water-soluble cellulose compounds, instead of hydroxypropyl cellulose.

  The results are shown in Table 2. None of those using methylcellulose, ethylcellulose, hydroxyethylcellulose, and carboxymethylcellulose did not precipitate a gum-like substance, or did not lead to the formation of a strong film. However, those using hydroxypropylcellulose formed a strong gum-like film.

Test example 2
Based on the composition shown in Table 3, hair strengthening agents were prepared. Each component was prepared by dissolving in purified water. After preparing liquid A and liquid B, equal amounts of each were mixed to precipitate a gum-like substance, and the strength of the gum-like substance was examined.

  In addition, in the liquid B of Table 3, an experiment was carried out using an equivalent amount of methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, or carboxymethyl cellulose, which is the same water-soluble cellulose compound, instead of hydroxypropyl cellulose.

  As a result, any of those using methylcellulose, ethylcellulose, hydroxyethylcellulose, and carboxymethylcellulose did not precipitate a gum-like substance, or did not lead to the formation of a strong film. On the other hand, those using hydroxypropyl cellulose formed a strong gum-like film.

Test example 3
Based on the composition shown in Table 4, hair strengthening agents were prepared. Each component was prepared by dissolving in purified water. After preparing liquid A and liquid B, equal amounts of each were mixed to precipitate a gum-like substance, and the strength of the gum-like substance was examined.

  In addition, in the liquid B of Table 4, an experiment was carried out using the same water-soluble cellulose compound, methylcellulose, ethylcellulose, hydroxyethylcellulose, or carboxymethylcellulose, instead of hydroxypropylcellulose.

  As a result, any of those using methylcellulose, ethylcellulose, hydroxyethylcellulose, and carboxymethylcellulose did not precipitate a gum-like substance, or did not lead to the formation of a strong film. On the other hand, those using hydroxypropyl cellulose formed a strong gum-like film.

Test example 4
Based on the composition shown in Table 5, hair strengthening agents were prepared. In addition, phosphoric acid and sodium hydroxide were added to 45 mL of solution A to adjust the pH to 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, and 45 mL of solution B was mixed with this to produce a gum-like substance. The amount was measured.

  The results are shown in FIG. In experiments under all conditions where the pH of the A liquid was 2 to 9, the formation of a gum-like substance was successful. In particular, when the pH of the A liquid was 2, the most successful gum-like substance was obtained.

Comparative Test Example 1
Based on the composition shown in Table 6, hair strengthening agents were prepared. Each component was prepared by dissolving in purified water.

Example 2: Experiment on hair strengthening effect In this experiment, hair having a length of about 350 mm and decoloring three times and perm treatment twice was used.

  A liquid A having the composition shown in Table 1 described in the test example is applied to the damaged hair, coating is performed, and the hair is adapted to the hair. Subsequently, the B liquid having the composition shown in Table 1 described in the test example is applied to perform further coating, and the A liquid and B liquid are mixed on the hair. Then, after heating and drying, it was washed with warm water, and the dried one was used as a test hair.

  The damaged hair is coated with the liquid having the composition shown in Table 6 described in Comparative Test Example 1, and is applied to the hair. Then, after heating and drying, it was washed with warm water, and the dried one was used as a comparative test hair.

  Each of 30 test hairs, comparative test hairs, and untreated hairs was made into one bundle, and 3 bundles were produced. Here, the untreated hair represents hair that has not been subjected to any treatment on the produced damaged hair. Subsequently, both ends were cut to 280 mm, weights of 0.05 g were attached to both ends, and after hanging as shown in FIG. 1, the distance (A) between both ends was measured immediately. The same measurement was performed 24 hours later. The test temperature was 21 ° C. and the humidity was 79%.

  The test results are shown in Table 7. The test hairs clearly have a greater distance A than either the comparative test hairs or the untreated hairs, either immediately after the weights are hung or after 24 hours. This result shows that the test hair treated with the hair strengthening agent of the present invention has strong elasticity and tension, whereas the comparative test hair and the untreated hair have weak elasticity and no tension. ing. It is shown that the hair strengthening agent of the present invention has an excellent effect since the hair having elasticity is strong and the hair having tension is easy to bend and rich in beauty.

  Therefore, by using the hair strengthening agent of the present invention, there is an effect of improving the touch, moist feeling, flexibility, smoothness, texture, gloss and the like of the hair.

  Furthermore, in this experiment, even though the hair after treatment with the hair strengthening agent was washed with warm water, the effect of the gum-like substance contained in the hair strengthening agent of the present invention was obtained. Even if it goes, the gum-like substance dissolves in warm water and does not flow out of the hair, and has a long-lasting hair strengthening effect.

Example 3: Permanent wave effect experiment 90 pieces of test hair, comparative test hair and untreated hair were made into one bundle, and two bundles were produced. Subsequently, the bundle was wound around a permanent wave rod having a diameter of 8 mm and 12 mm, respectively, and the treatment was performed with the first permanent wave for damaged hair and the first permanent wave for normal hair having the composition shown in Table 8. The degree of wave formation after treatment with the shared permanent wave second agent was evaluated by measuring the wave width. The results are shown in Table 9.

   An ideal wave width of 20 to 30 mm is an ideal wave width to be evaluated in this experiment. A numerical value below this range is excessive, and a numerical value above this range is considered to have a low permanent wave effect.

  From the result of the treatment with the permanent wave agent for damaged hair, the untreated hair was well waved, and the comparative test hair was slightly waved. On the other hand, the test hair was not waved. Here, it is suggested that the test hair is not damaged hair. As a result of the treatment with a permanent wave permanent wave agent for normal hair, a very strong wave was applied to the untreated hair, resulting in poor appearance.

  The results for the test hair were different from those obtained when using the permanent wave agent for damaged hair, and ideal wave width results were obtained. Therefore, it is considered that the result of ideal wave width was obtained with the permanent wave agent for normal hair because the damaged hair was repaired by using the hair strengthening agent of the present invention and became normal normal hair.

  When permanent wave treatment is applied to hair, generally, damaged hair has a strong wave, and normal hair and new hair have a weak wave. Human hair stretches about 1 to 2 cm per month, and the degree of damage to the entire hair is not uniform, and the degree increases toward the hair tips. Therefore, at the time of permanent wave processing, the hair root is less waved and the hair tip is more waved and it is extremely difficult to obtain an overall uniform wave effect.

  Since the hair strengthening agent of the present invention has an effect of repairing damaged hair to normal normal hair, after treating the entire hair with the hair reinforcing agent of the present invention, a uniform wave treatment is performed. It is possible to perform permanent wave processing to form In addition, it becomes easy to adjust the degree of wave engagement, and a desired hairstyle can be formed.

  In hair color processing, in general, strong hair is obtained with damaged hair, while normal hair has only a weak dyeing effect. Therefore, in the same way as permanent wave treatment, the hair color treatment is performed after repairing the hair damage with the hair strengthening agent of the present invention to make it uniform, thereby providing a uniform dyeing effect and a free hairstyle. Is also possible.

  Furthermore, in this experiment, even though the hair after treatment with the hair strengthening agent was washed with warm water, the effect of the gum-like substance contained in the hair strengthening agent of the present invention was obtained. Even if it goes, the gum-like substance does not dissolve in warm water and flows out of the hair, and has a permanent wave maintaining effect, a hair color maintaining effect or a curly hair straightening effect over a long period of time.

1. 1. Test hair, comparative hair, or untreated hair bundle Weight (0.05g)
3. Measuring distance (A)

  The hair strengthening agent of the present invention can be used before providing treatment to hair such as permanent wave and hair color, and can be used to provide services in beauty salons, beauty salons, etc., because the effect of the treatment can be enhanced. I can do it. At the same time, it can be provided as a hair treatment service. The present invention can also be manufactured and sold as a domestic hair treatment agent.

Claims (8)

A hair strengthening agent composed of two liquids, liquid A and liquid B,
The solution A is a buffer solution, and the solution B is an aqueous solution containing at least one compound selected from the group consisting of pyrrolidone carboxylic acid, amino acid, and glutathione, and hydroxypropyl cellulose, the solution A And the solution B are continuously applied to the hair, and the two solutions react on the hair to form a water-insoluble gum-like substance, thereby strengthening the hair.   The hair strengthening agent according to claim 1, wherein the amino acid is an acidic amino acid.   The hair strengthening agent according to any one of claims 1 and 2, wherein the pH of the solution A is 2.0 to 9.0.   The hair strengthening agent according to any one of claims 1 to 3, wherein the compound contained in the liquid B is 0.5 wt% or more and less than 5.0 wt%.   The hair strengthening agent according to any one of claims 1 to 4, wherein the hydroxypropylcellulose contained in the solution B is 0.2% by weight or more and 3.0% or less.   The hair strengthening according to any one of claims 1 to 5, wherein a weight ratio of the compound and hydroxypropyl cellulose contained in the liquid B is 1: 6 to 25: 1. Agent.   The hair strengthening agent according to any one of claims 1 to 6, wherein the abundance ratio of the D-form and the L-form of the compound is 10:90 to 90:10.   A method of further treating the hair with a permanent wave agent, a hair coloring agent, or a hair straightener after pre-treating the hair with the hair strengthening agent according to any one of claims 1 to 7.

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