JP2023092781A - Hair deforming cosmetic and hair deforming method - Google Patents

Abstract

To provide a novel hair deforming cosmetic excellent in hair deformation and to provide a hair deforming method using the hair deforming cosmetic.SOLUTION: There are provided: a hair deforming cosmetic which comprises: a first agent which is blended with an alkali agent and has a pH of 7.0 or more at 25°C; and a second agent which is blended with one or two or more selected from the group consisting of ferulic acid, theobromine, a polyphenol having two or more 4-hydroxyphenyl groups, a polyphenol having one or two or more 3,4-dihydroxyphenyl groups and a polyphenol having one to two or more 3,4,5- trihydroxyphenyl groups; and a hair deforming method using the hair deforming cosmetic.SELECTED DRAWING: None

Description

TECHNICAL FIELD The present invention relates to a hair transformation cosmetic and a hair transformation method.

Techniques using agents containing various ingredients for modifying the shape of hair have been known so far. As an example, an agent containing a reducing agent is used to break the disulfide bonds of keratin proteins in the hair to deform the shape of the hair, and then an agent containing an oxidizing agent is used to form disulfide groups to deform the hair. There has been proposed hair deformation by perm treatment to fix the shape of hair (Patent Document 1).

In addition, among the techniques for deforming the shape of hair, as a technique different from the perm treatment, a method of using an agent containing glyoxylic acid for semi-permanent straightening of curly hair or the like has been proposed (Patent Document 2).

Japanese Patent Application Laid-Open No. 2009-67711 Japanese Patent Publication No. 2013-520468

Perm treatments such as those described above are sometimes used to change the shape of the hair, but the perm treatments involve chemical treatments using reducing agents and oxidizing agents, and thus tend to damage the hair. rice field. In addition, when hair is modified using glyoxylic acid, there are cases where sufficient hair modification is not obtained, hair becomes hard to the touch after treatment with glyoxylic acid, and hair damage occurs.
Therefore, there is a demand for a new technique for deforming the shape of hair.

In view of the above circumstances, an object of the present invention is to provide a novel cosmetic for hair deformation that is excellent in hair deformation.
Another object of the present invention is to provide a method for transforming hair using a novel cosmetic for transforming hair that is excellent in transforming hair.

As a result of intensive studies by the present inventors, one agent containing an alkaline agent and having a pH of 7.0 or more at 25 ° C., ferulic acid, theobromine, polyphenol having two or more 4-hydroxyphenyl groups, One or two or more selected from the group of polyphenols having one or two or more 3,4-dihydroxyphenyl groups and polyphenols having one or two or more 3,4,5-trihydroxyphenyl groups are blended. The present inventors have completed the present invention based on the finding that excellent hair deformation can be achieved by using a hair-modifying cosmetic comprising these two agents.

That is, the cosmetic for hair modification according to the present invention comprises one agent containing an alkaline agent and having a pH of 7.0 or higher at 25°C, ferulic acid, theobromine, and a polyphenol having two or more 4-hydroxyphenyl groups. , polyphenols having one or more than two 3,4-dihydroxyphenyl groups, and polyphenols having one or more than two 3,4,5-trihydroxyphenyl groups. and 2 agents.
According to this cosmetic for hair transformation, excellent hair transformation can be realized.

The cosmetic for hair modification according to the present invention is more preferable if the two agents are blended with one or more metal salts selected from the group consisting of copper salts, iron salts, and manganese salts. It is preferable because excellent hair deformation can be achieved.

In the cosmetic for hair modification according to the present invention, for example, the first agent has a pH of 13.0 or less.

The cosmetic composition for hair transformation according to the present invention is preferably used in such a way that the hair is heat-treated after the use of the first agent, because it can realize more excellent hair transformation.

The cosmetic for hair transformation according to the present invention is used, for example, for hair transformation to straighten hair.

A method for transforming hair according to the present invention is a method for transforming hair using any of the cosmetics for transforming hair described above.

According to the cosmetic for transforming hair according to the present invention, it is possible to provide a cosmetic for transforming hair that is excellent in transforming hair.
In addition, according to the method of transforming hair according to the present invention, it is possible to provide a method of transforming hair using a cosmetic for transforming hair that is excellent in transforming hair.

A reference diagram of "number of crests decreased" and "ratio of crests decreased (%)" in evaluation of hair deformation.

The present invention will be described below based on embodiments of the present invention (hereinafter referred to as present embodiments).

<Cosmetics for hair transformation>
The cosmetic for hair transformation of the present embodiment is
A first agent containing an alkaline agent and having a pH of 7.0 or higher at 25°C;
ferulic acid, theobromine, a polyphenol having two or more 4-hydroxyphenyl groups, a polyphenol having one or two or more 3,4-dihydroxyphenyl groups, and one or two or more 3,4,5-trihydroxyphenyl groups and a second agent in which one or more selected from the group of polyphenols having are blended. The cosmetic for hair transformation of this embodiment is excellent in hair transformation.

It should be noted that the hair deformation that can be achieved in the cosmetic for hair deformation of the present embodiment is different from the temporary deformation of the hair shape due to the hair styling action of the hair styling agent, and the deformed hair shape is maintained even after the hair is washed. Hair deformation. Examples of hair transformation in the hair transformation cosmetic of the present embodiment include hair transformation that transforms hair (for example, curly hair, frizzy hair, or wavy hair) into a straight shape, and hair transformation that transforms hair into a wavy shape. etc.

[1 agent]
The 1st agent (hereinafter sometimes referred to as "the 1st agent of the present embodiment" or "the 1st agent") in the cosmetic for hair modification of the present embodiment contains an alkaline agent and has a pH of 7.0 or higher at 25°C. is.

(Alkaline agent)
The first agent of the present embodiment contains an alkaline agent. By adding an alkali agent to the first agent of the present embodiment, it promotes swelling of the hair and contributes to the realization of excellent hair deformation.
The first agent of the present embodiment may contain one or two or more alkaline agents.

Examples of the alkaline agents include guanidine salts, aminoguanidine salts, metal hydroxides, metal carbonates, metal phosphates, aqueous ammonia, ammonium salts, alkanolamines, arginine and the like.
From the viewpoint of reducing the possibility of hair damage, it is preferable to use aqueous ammonia or a guanidine salt as the alkaline agent, and it is more preferable to use a guanidine salt.

Examples of the guanidine salt include guanidine carbonate and guanidine hydrochloride.
Examples of the aminoguanidine salt include aminoguanidine hydrochloride.
Examples of the metal hydroxide include sodium hydroxide and potassium hydroxide.
Examples of the metal carbonates include sodium carbonate and potassium carbonate.
Examples of the metal phosphate include sodium phosphate.
Examples of the ammonium salt include ammonium carbonate and ammonium sulfate.
Examples of the alkanolamine include monoethanolamine, triethanolamine, isopropanolamine, 2-amino-2-methyl-1-propanol, and the like.

The blending amount of the alkaline agent blended in the first agent of the present embodiment is not particularly limited, and can be set as appropriate.
From the viewpoint of realizing more excellent hair deformation, the lower limit of the amount of the alkaline agent to be blended in the first agent of the present embodiment is preferably 0.1% by mass or more, more preferably 0.5% by mass or more. 1% by mass or more is more preferable.
In addition, from the viewpoint of reducing the risk of hair damage, the upper limit of the amount of the alkaline agent blended in the first agent of the present embodiment is preferably 30% by mass or less, more preferably 15% by mass or less, and 10% by mass. % or less is more preferable.

When a guanidine salt is used as an alkaline agent to be blended in the first agent of the present embodiment, the lower limit of the amount of the guanidine salt to be blended is preferably 0.5% by mass or more from the viewpoint of realizing more excellent hair deformation. 0.5% by mass or more is more preferable.
Further, when a guanidine salt is used as an alkaline agent to be blended in the first agent of the present embodiment, the upper limit of the amount of the guanidine salt to be blended is preferably 30% by mass or less from the viewpoint of reducing the risk of hair damage. % by mass or less is more preferable, and 10% by mass or less is even more preferable.

When a metal hydroxide is used as the alkali agent to be blended in the 1st agent of the present embodiment, the lower limit of the amount of the metal hydroxide to be blended is 0.1 mass from the viewpoint of realizing more excellent hair deformation. % or more is preferable, and 0.3 mass % or more is more preferable.
In addition, when a metal hydroxide is used as the alkaline agent to be blended in the first agent of the present embodiment, the upper limit of the amount of the metal hydroxide to be blended is 3% by mass or less from the viewpoint of reducing the risk of hair damage. is preferred, 2% by mass or less is more preferred, and 1% by mass or less is even more preferred.

(pH)
Agent 1 of the present embodiment has a pH of 7.0 or more at 25°C. By setting the pH at 25° C. of the first agent of the present embodiment to 7.0 or higher, excellent hair deformation can be achieved. The pH value at 25°C is a value obtained by measuring the first agent of the present embodiment at 25°C with a known pH meter. In addition, when water is not blended in the first agent of the present embodiment, the pH value measured at 25° C. in a diluted product obtained by diluting the first agent 20 times with water may be adopted.

The lower limit of the pH at 25°C of Agent 1 of the present embodiment is preferably 7.5 or higher, more preferably 8.0 or higher, from the viewpoint of realizing more excellent hair deformation.
The upper limit of the pH at 25°C of Agent 1 of the present embodiment is preferably 13.0 or less, more preferably 12.0 or less, and even more preferably 11.5 or less, from the viewpoint of reducing the possibility of hair damage.

(Optional component)
You may mix|blend components other than an alkaline agent arbitrarily to 1st agent of this embodiment. Components other than the alkaline agent that can be arbitrarily blended in the hair-modifying cosmetic of the present embodiment (hereinafter referred to as "optional component of agent 1") are selected from known components that can be blended in the hair-modifying cosmetic. is.
Optional components of Agent 1 include, for example, anionic surfactants, cationic surfactants, amphoteric surfactants, nonionic surfactants, alcohols, polyhydric alcohols, sugars, oils and fats, ester oils, fatty acids, hydrocarbons, waxes, Silicones, synthetic polymer compounds, semi-synthetic polymer compounds, natural polymer compounds, proteins, amino acids, animal and plant extracts, microbial-derived substances, inorganic compounds, fragrances, preservatives, sequestering agents, UV absorbers, pigments, dyes , pigments, acids, and water.

(acid)
1 type(s) or 2 or more types of acid can be mix|blended with 1 agent of this embodiment.
Organic acids and inorganic acids can be used as the acid. Examples of the organic acid include citric acid, lactic acid, glycolic acid, and malic acid. Moreover, as said inorganic acid, phosphoric acid etc. are mentioned, for example.
The amount of the acid to be blended is not particularly limited as long as the pH of the first agent of the present embodiment is 7.0 or higher. As for the amount of the acid to be blended, for example, an amount that brings the pH of the first agent of the present embodiment into the range of 7.0 or more and 13.0 or less can be blended.

(reducing agent)
Agent 1 of the present embodiment does not contain a reducing agent from the viewpoint of reducing the risk of hair damage, or if a reducing agent is contained, the amount is 1% by mass. The following are preferred.
When the first agent of the present embodiment contains a reducing agent, the upper limit of the amount of the reducing agent is preferably 1% by mass or less, and 0.5% by mass, from the viewpoint of reducing the risk of hair damage. The following is more preferable, 0.1% by mass or less is more preferable, and 0.01% by mass or less is particularly preferable. Moreover, when a reducing agent is blended in the first agent of the present embodiment, the lower limit of the blending amount of the reducing agent is, for example, 0.001% by mass or more.

Examples of the reducing agent include thioglycolic acids, mercaptopropionic acid or its salts, cysteamine or its salts, thiolactic acid or its salts, thiomalic acid or its salts, butyrolactone thiol, thioglycerin, ascorbic acid or its salts, erythorbic acid. or salts thereof, sulfites, thiosulfuric acid or salts thereof. "Salts thereof" of mercaptopropionic acid, cysteamine, thiolactic acid, thiomalic acid, ascorbic acid, erythorbic acid, and thiosulfuric acid include, for example, hydrochlorides, ammonium salts, monoethanolamine salts, sodium salts and the like.

Examples of the thioglycolic acids include thioglycolic acid, ammonium thioglycolate, monoethanolamine thioglycolate, and esters of thioglycolic acid and glycerin (glyceryl thioglycolate, etc.). Examples of the cysteines include L-cysteine, DL-cysteine, cysteine salts (L-cysteine hydrochloride, etc.), acetylcysteine (N-acetyl-L-cysteine, etc.), cysteine alkyl esters (L-cysteine methyl ester, L -cysteine ethyl ester), amidinocysteine, and the like. Examples of the sulfites include sulfurous acid, sulfites (ammonium sulfite, sodium sulfite, etc.), hydrogen sulfites (sodium hydrogen sulfite, etc.), and the like.

(Oxidant)
From the viewpoint of reducing the risk of hair damage, Agent 1 of the present embodiment does not contain an oxidizing agent, or if an oxidizing agent is contained, the amount is 1% by mass or less. is preferred.
When an oxidizing agent is blended in the first agent of the present embodiment, the upper limit of the amount of the oxidizing agent to be blended is preferably 1% by mass or less, and 0.5% by mass, from the viewpoint of reducing the possibility of hair damage. The following is more preferable, 0.1% by mass or less is more preferable, and 0.01% by mass or less is particularly preferable. Moreover, when an oxidizing agent is blended in the first agent of the present embodiment, the lower limit of the blending amount of the oxidizing agent is, for example, 0.001% by mass or more.

Examples of the oxidizing agent include bromate, hydrogen peroxide, perborate, and percarbonate.
Examples of the bromate include potassium bromate and sodium bromate. Examples of the perborate include sodium perborate. Examples of the percarbonate include sodium percarbonate and potassium percarbonate.

(Specific glyoxylic acids)
From the viewpoint of reducing the risk of hair damage, the first agent of the present embodiment does not contain glyoxylic acid, glyoxylic acid hydrate, glyoxylamide, or salts thereof, or glyoxylic acid or glyoxyl. When an acid hydrate, glyoxylamide, or a salt thereof is blended, the blending amount is preferably 1% by mass or less.
In the following description, glyoxylic acid, glyoxylic acid hydrate, glyoxylamide, or salts thereof may be collectively referred to as "specific glyoxylic acids".
From the viewpoint of reducing the possibility of hair damage, it is preferable that the first agent of the present embodiment does not contain specific glyoxylic acids.

When a specific glyoxylic acid is blended in the first agent of the present embodiment, the upper limit of the blending amount is preferably 1% by mass or less, and 0.5% by mass, from the viewpoint of reducing the possibility of hair damage. The following is more preferable, 0.1% by mass or less is more preferable, and 0.01% by mass or less is particularly preferable. Moreover, when a specific glyoxylic acid is blended in the first agent of the present embodiment, the lower limit of the blending amount is, for example, 0.001% by mass or more.

Examples of the hydrates of glyoxylic acid include glyoxylic acid monohydrate. Examples of the salt of glyoxylic acid include alkali metal glyoxylate and alkaline earth metal glyoxylate. Examples of the alkali metal salt include lithium salt, sodium salt and potassium salt. Examples of the alkaline earth metal salts include magnesium salts and calcium salts. Examples of the glyoxylamide include glyoxyloyl carbocysteine, glyoxyloyl keratin amino acid and the like.

(water)
From the viewpoint of facilitating the mixing of the alkaline agent, the first agent of the present embodiment preferably contains water.
The amount of water to be blended in Agent 1 of the present embodiment is not particularly limited and may be set as appropriate. For example, the lower limit is 40% by mass or more and the upper limit is 95% by mass or less.

(dosage form)
The dosage form of one agent of the present embodiment is not particularly limited, and can be in various dosage forms such as liquid, cream, gel, spray, and foam.

(viscosity)
The viscosity of the first agent of the present embodiment may be appropriately set according to the dosage form of the first agent. The viscosity of the first agent is not particularly limited, but the viscosity after 60 seconds measured at 25 ° C. using an appropriate rotor using a Brookfield viscometer is, for example, 1 mPa s or more and 50000 mPa s or less. .
In addition, when the first agent of the present embodiment is cream-like or gel-like, the viscosity of the first agent is, for example, 1000 mPa·s or more and 50000 mPa·s or less. Further, when the first agent of the present embodiment is liquid, the viscosity of the first agent is, for example, 100 mPa·s or less.

[2 agents]
Agent 2 in the cosmetic for hair modification of the present embodiment (hereinafter sometimes referred to as "agent 2 of the present embodiment" or "agent 2") has ferulic acid, theobromine, and two or more 4-hydroxyphenyl groups. one or more selected from the group consisting of polyphenols, polyphenols having one or more 3,4-dihydroxyphenyl groups, and polyphenols having one or more 3,4,5-trihydroxyphenyl groups It is compounded.
In the following description, ferulic acid, theobromine, polyphenols having two or more 4-hydroxyphenyl groups, polyphenols having one or two or more 3,4-dihydroxyphenyl groups, and one or more 3,4,5- Polyphenols having a trihydroxyphenyl group may be collectively referred to as "specific polyphenols and the like".
By adding specific polyphenols and the like to the second agent of the present embodiment, excellent hair deformation can be achieved.

The second agent of the present embodiment may contain a plant extract containing one or more of specific polyphenols.
Therefore, the two agents of this embodiment are ferulic acid, theobromine, a polyphenol having two or more 4-hydroxyphenyl groups, a polyphenol having one or two or more 3,4-dihydroxyphenyl groups, and one or two or more 3 , 4,5-trihydroxyphenyl group-containing plant extract containing one or more selected from the group of polyphenols having a 4,5-trihydroxyphenyl group.
As the plant extract, a commercially available plant extract may be used, or an extract obtained by extracting from a plant part by a known method may be used.

(ferulic acid)
As the ferulic acid blended in the second agent of the present embodiment, a single component of ferulic acid may be used, or a plant extract containing ferulic acid may be used.
Examples of plant extracts containing ferulic acid include rice bran extract.

(Theobromine)
As the theobromine compounded in the second agent of the present embodiment, a single component of theobromine may be used, or a plant extract containing theobromine may be used. Examples of plant extracts containing ferulic acid include cacao extract.

(Polyphenol having two or more 4-hydroxyphenyl groups, polyphenol having one or two or more 3,4-dihydroxyphenyl groups, polyphenol having one or two or more 3,4,5-trihydroxyphenyl groups)
Polyphenol having two or more 4-hydroxyphenyl groups, polyphenol having one or two or more 3,4-dihydroxyphenyl groups, or one or two or more 3,4,5-tri Polyphenols having a hydroxyphenyl group include those having only 4-hydroxyphenyl groups, those having only 3,4-dihydroxyphenyl groups, those having only 3,4,5-trihydroxyphenyl groups, and 4-hydroxyphenyl and 3,4-dihydroxyphenyl group, 4-hydroxyphenyl group and 3,4,5-trihydroxyphenyl group, 3,4-dihydroxyphenyl group and 3,4,5-trihydroxyphenyl groups, and those having a 4-hydroxyphenyl group, a 3,4-dihydroxyphenyl group and a 3,4,5-trihydroxyphenyl group.

The polyphenol having two or more 4-hydroxyphenyl groups, one or two or more 3,4-dihydroxyphenyl groups, or the polyphenol having one or two or more 3,4,5-trihydroxyphenyl groups is a flavonoid ( flavones, flavanals, flavonols, etc.), known as known polyphenols belonging to chlorogenic acids, etc., and are contained in plant extracts.

(Polyphenol with 2 or more 4-hydroxyphenyl groups)
Polyphenols having two or more 4-hydroxyphenyl groups according to the second agent of the present embodiment include, for example, tiliroside.
As the tiliroside blended in the second agent of the present embodiment, a single component of tiliroside may be used, or a plant extract containing tiliroside may be used.

Examples of plant extracts containing tiliroside include strawberry seed extract.

(Polyphenol with 1 or 2 or more 3,4-dihydroxyphenyl groups)
The polyphenol having one or two or more 3,4-dihydroxyphenyl groups according to the second agent of the present embodiment includes a polyphenol having one 3,4-dihydroxyphenyl group, or two or more 3,4-dihydroxyphenyl groups. can be used.

Examples of polyphenols having one 3,4-dihydroxyphenyl group include luteolin, catechin, quercetin, chlorogenic acid, caffeoylglucose, quercitrin, and rutin. As specific polyphenols and the like to be blended in the second agent of the present embodiment, any single component of luteolin, catechin, quercetin, chlorogenic acid, caffeoyl glucose, quercitrin, and rutin may be used. , a plant extract containing any of these may be used.

Examples of plant extracts containing luteonin include perilla seed extract and chrysanthemum flower extract.
Examples of the catechin-containing plant extract include tea leaf extract.
Examples of the plant extract containing quercetin include onion root extract.
Examples of plant extracts containing chlorogenic acid include lobster coffee tree seed extract.
Plant extracts containing caffeoyl glucose include, for example, Satozakura flower extract.
Examples of plant extracts containing quercitrin include kiwi seed extract.
Examples of the plant extract containing rutin include buckwheat leaf extract.

Examples of polyphenols having two or more 3,4-dihydroxyphenyl groups include fuquinolic acid, chicoric acid, echinacoside and rosmarinic acid.
As the specific polyphenols and the like blended in the second agent of the present embodiment, fuquinolic acid, chicoric acid, and echinacoside may be used as single components of any of these, and plant extracts containing any of these may be used. may be used.

Examples of plant extracts containing fuquinolic acid include butterbur leaf/stem extracts.
The extract containing chicoric acid includes, for example, purslane extract.
Examples of the extract containing echinacoside include Cistanche Tubrosa root extract.
Examples of the extract containing rosmarinic acid include rosemary leaf extract.

(Polyphenol with 1 or 2 or more 3,4,5-trihydroxyphenyl groups)
The polyphenol having one or two or more 3,4,5-trihydroxyphenyl groups according to the second agent of the present embodiment includes one polyphenol having a 3,4,5-trihydroxyphenyl group, or two or more three ,4,5-trihydroxyphenyl groups can be used.

Examples of polyphenols having one 3,4,5-trihydroxyphenyl group include gallic acid and delphinidin-3,5-glucoside.
Gallic acid and delphinidin-3,5-glucoside may be used as the specific polyphenols or the like to be blended in the second agent of the present embodiment. You may use the plant extract which carries out.

Examples of the plant extract containing gallic acid include evening primrose seed extract.
Examples of the plant extract containing delphinidin-3,5-glucoside include Aristotheria chilensis fruit extract.

Examples of polyphenols having two or more 3,4,5-trihydroxyphenyl groups include GHG (1,2-di-Galloyl-4,6-Hexahydroxydiphenol-β-D-glucose).
As GHG blended in the second agent of the present embodiment, a single GHG component may be used, or a GHG-containing plant extract may be used.

Examples of the GHG-containing plant extract include tea leaf extract.

The specific polyphenols and the like blended in the 2nd agent of the present embodiment preferably have a molecular weight of less than 10,000 from the viewpoint of realizing more excellent hair deformation by permeating into the inside of the hair.

The lower limit of the amount of specific polyphenols and the like to be blended in Agent 2 of the present embodiment is not particularly limited, but from the viewpoint of achieving more excellent hair deformation, it is preferably 0.001% by mass or more, and 0.001% by mass or more. 005% by mass or more is more preferable, and 0.01% by mass or more is even more preferable.
In addition, the upper limit of the amount of specific polyphenols and the like to be blended in the second agent of the present embodiment is not particularly limited, but from the viewpoint of cost reduction, it is preferably 15% by mass or less, and more preferably 5% by mass or less. It is preferably 2.5% by mass or less, more preferably 1% by mass or less.

(Optional component)
You may mix|blend arbitrarily components other than specific polyphenols etc. with the 2nd agent of this embodiment. Ingredients other than specific polyphenols, etc., that can be arbitrarily blended in the hair-modifying cosmetic of the present embodiment (hereinafter referred to as "secondary optional ingredients") include known ingredients that can be blended in the hair-modifying cosmetic. It is chosen.
Optional components of Agent 2 include metal salts such as copper salts, iron salts, and manganese salts, anionic surfactants, cationic surfactants, amphoteric surfactants, nonionic surfactants, alcohols, polyhydric alcohols, and sugars. , oils and fats, ester oils, fatty acids, hydrocarbons, waxes, silicones, synthetic polymer compounds, semi-synthetic polymer compounds, natural polymer compounds, proteins, amino acids, animal and plant extracts, microbial-derived substances, inorganic compounds, fragrances, preservatives , sequestering agents, ultraviolet absorbers, dyes, dyes, pigments, acids, alkali agents, water, and the like.

(copper salt, iron salt, manganese salt)
Agent 2 of the present embodiment preferably contains one or more metal salts selected from copper salts, iron salts, and manganese salts, from the viewpoint of realizing more excellent hair deformation. More preferred are those containing a copper salt or manganese salt.
In the following description, one or more metal salts selected from copper salts, iron salts and manganese salts may be collectively referred to as "specific metal salts".

The specific metal salt blended in the second agent of the present embodiment may be selected from known water-soluble metal salts, such as copper gluconate, (chlorophyllin/copper) complex, copper sulfate, cupric chloride, Iron gluconate, (chlorophyllin/iron) complex, manganese gluconate, manganese chloride.

The blending amount of the specific metal salt blended in the second agent of the present embodiment is not particularly limited, and can be set as appropriate.
The lower limit of the amount of the specific metal salt blended in Agent 2 of the present embodiment is preferably 0.00001% by mass or more, more preferably 0.00005% by mass or more, from the viewpoint of achieving more excellent hair deformation. Preferably, 0.0001% by mass or more is more preferable. In addition, the upper limit of the amount of the specific metal salt blended in the first agent of the present embodiment is preferably 20% by mass or less, more preferably 15% by mass or less, and 10% by mass or less from the viewpoint of cost reduction. is more preferred.

The mass ratio of the amount of the specific polyphenols and the like to the amount of the specific metal salt in the second agent of the present embodiment ([specific polyphenols and the like/specific metal salt]) is not particularly limited, but for example , is greater than or equal to 0.0001.

(reducing agent)
From the viewpoint of reducing the possibility of hair damage, the second agent of the present embodiment does not contain a reducing agent, or if a reducing agent is contained, the amount of the reducing agent is 1% by mass or less. should be When a reducing agent is blended in the second agent of the present embodiment, the upper limit and lower limit of the amount of the reducing agent are the same as the upper limit and lower limit of the amount of the reducing agent in the first agent of the present embodiment. be. Further, the reducing agent is the same as those exemplified in the first agent of the present embodiment.

(Oxidant)
From the viewpoint of reducing the possibility of hair damage, the second agent of the present embodiment does not contain an oxidizing agent, or if an oxidizing agent is contained, the amount of the oxidizing agent is 1% by mass or less. should be When an oxidizing agent is blended in Agent 2 of the present embodiment, the upper limit and lower limit of the amount of the oxidizing agent to be blended are the same as the upper limit and lower limit of the amount of the oxidizing agent to be blended in Agent 1 of the present embodiment. be. Further, the oxidizing agent is the same as those exemplified in the first agent of the present embodiment.

(Specific glyoxylic acids)
Agent 2 of the present embodiment does not contain specific glyoxylic acids (glyoxylic acid, glyoxylic acid hydrate, glyoxylamide, or salts thereof) from the viewpoint of reducing the risk of hair damage. Alternatively, when specific glyoxylic acids are blended, the blending amount is preferably 1% by mass or less. When a specific glyoxylic acid is blended in Agent 2 of the present embodiment, the upper limit and lower limit of the amount of the specific glyoxylic acid to be blended are the same as those in the case where the specific glyoxylic acid in Agent 1 of the present embodiment is blended. It is the same as the upper limit and lower limit of the compounding amount. Further, the specific glyoxylic acids are the same as those exemplified in the first agent of the present embodiment.

(water)
The second agent of the present embodiment preferably contains water from the viewpoint of facilitating the incorporation of specific polyphenols and other components.
The blending amount of water blended in Agent 2 of the present embodiment is not particularly limited and may be set as appropriate. For example, the lower limit is 40% by mass or more and the upper limit is 98% by mass or less.

(dosage form)
The dosage form of the second agent of the present embodiment is not particularly limited, and various dosage forms such as liquid, cream, gel, spray, and foam can be used.

(viscosity)
The viscosity of the second agent of the present embodiment may be appropriately set according to the dosage form of the second agent. The viscosity of the second agent is not particularly limited, but the viscosity after 60 seconds measured at 25 ° C. using an appropriate rotor using a Brookfield viscometer is, for example, 1 mPa s or more and 50000 mPa s or less. .
In addition, when the 2nd agent of this embodiment is creamy or gel-like, the viscosity of the 2nd agent is, for example, 1000 mPa·s or more and 50000 mPa·s or less. Further, when the second agent of the present embodiment is liquid, the viscosity of the first agent is, for example, 100 mPa·s or less.

(pH)
The pH value at 25° C. of the second agent of the present embodiment can be, for example, 5 or more and 12 or less. The pH value at 25°C is a value obtained by measuring the second agent of the present embodiment at 25°C with a known pH meter. In addition, when water is not blended in the 2nd agent of the present embodiment, the measured value of the pH at 25° C. in the diluted product obtained by diluting the 2nd agent 20 times with water may be adopted.

The lower limit of the pH at 25° C. of the second agent of the present embodiment is preferably 5.0 or higher, more preferably 5.5 or higher, and even more preferably 6.0 or higher, from the viewpoint of achieving more excellent hair deformation.
The upper limit of the pH at 25° C. of the second agent of the present embodiment is preferably 12.0 or less, more preferably 11.0 or less, and even more preferably 10.0 or less, from the viewpoint of reducing the risk of hair damage.

[Constituent of cosmetic for hair transformation]
The cosmetic for transforming hair according to the present embodiment may be a two-agent type cosmetic for transforming hair composed of agent 1 and agent 2, and in addition to agent 1 and agent 2, one or more pretreatment agents may be , 1 or 2 or more intermediate treatment agents, and 1 or 2 or more post-treatment agents. (cosmetics, 5-part hair cosmetic, etc.).
In the following description, the 1st agent, 2nd agent, pretreatment agent, intermediate treatment agent, and posttreatment agent in the cosmetic composition for transforming hair according to the present embodiment may be collectively referred to as "each component". be.

In the aspect in which each of the constituent agents in the hair-modifying cosmetic of the present embodiment is separately applied to the hair, the pretreatment agent is applied to the hair before using Agents 1 and 2. and the intermediate treatment agent is an agent that is used on the hair after using Agent 1 and before using Agent 2, or an agent that is used on hair after using Agent 2 and before using Agent 1. There is, and the said post-treatment agent is an agent used for hair after using the 1st agent and the 2nd agent.
In addition, in the hair transforming cosmetic of the present embodiment, the 1st agent and 2nd agent described below are mixed immediately before use on the hair, and the mixture of the 1st agent and the 2nd agent (the hair transforming cosmetic of the present embodiment prepared at the time of use) is mixed. In the embodiment in which the pretreatment agent is applied to the hair before the mixture of agents 1 and 2 is used, the intermediate treatment agent is used after being mixed with the mixture of agents 1 and 2. A post-treatment agent is an agent applied to the hair after using a mixture of agents 1 and 2.

As the pretreatment agent, intermediate treatment agent, or posttreatment agent, agents obtained by appropriately blending known components that can be used in cosmetics and using an appropriate manufacturing method can be used.

〔how to use〕
As a method for using the cosmetic for transforming hair according to the present embodiment, a known method for using a cosmetic for transforming hair can be adopted. For example, an appropriate amount of each component or a mixture of agents 1 and 2 described below can be applied or sprayed onto the hair.

(Order of use of drugs 1 and 2)
In the cosmetic composition for transforming hair according to the present embodiment, the order of use of the 1st agent and the 2nd agent when used for hair is not particularly limited. Therefore, the first agent may be applied to the hair and then the second agent may be applied to the hair, or the second agent may be applied to the hair and then the first agent may be applied to the hair.

In addition, in the hair transforming cosmetic composition of the present embodiment, Agent 1 and Agent 2 are mixed immediately before using the hair, and a mixture of Agent 1 and Agent 2 (cosmetics for transforming hair according to the present embodiment prepared at the time of use) is obtained. may be used for hair (the mixing ratio may be set as appropriate, for example, the mass ratio of one agent to two agents ([1 agent/2 agents]) is 0.01 or more and 100 or less may be mixed).

(Presence or absence of washing away of each component)
After using each constituent or a mixture of one and two agents in the hair-modifying cosmetic of the present embodiment, each constituent agent may be washed away from the hair. It may be a mode in which the mixture of is not washed off from the hair.

The cosmetic for hair modification of the present embodiment includes, for example, the following modes of usage.
- An embodiment in which the first agent is not washed off from the hair after using the first agent, and the second agent is not washed off from the hair after using the second agent.
- An embodiment in which the first agent is rinsed off from the hair after using the first agent, and the second agent is not rinsed off from the hair after using the second agent.
- An embodiment in which the first agent is not rinsed off from the hair after using the first agent, and the second agent is rinsed off from the hair after using the second agent.
- An embodiment in which the first agent is not washed off from the hair after using the first agent, and the second agent is not washed off from the hair after using the second agent.
- A mode in which the mixture of agents 1 and 2 is not washed off from the hair after using the mixture of agents 1 and 2. - A mode in which the mixture of agents 1 and 2 is washed off from the hair after using the mixture of agents 1 and 2.

(Heat treatment)
As a method of using the cosmetic composition for transforming hair according to the present embodiment, the hair may be heat-treated after using each constituent agent or a mixture of agents 1 and 2.
Examples of the heat treatment include heating treatment and ironing. As the heat treatment, only heating treatment or ironing treatment may be performed, or both heating treatment and ironing treatment may be performed in combination.
From the viewpoint of realizing excellent hair deformation, at least ironing is preferably performed.

(heat treatment)
As a method of using the cosmetic composition for transforming hair according to the present embodiment, the hair may be subjected to a heating treatment after using each component or a mixture of the first component and the second component. Therefore, for example, after using the first agent, the hair may be heated at a predetermined temperature for a predetermined time without or after the first agent is used, or after using the second agent without washing off the second agent. After rinsing, the hair may be heat-treated for a predetermined period of time at a predetermined temperature, and after using the mixture of agents 1 and 2, the mixture of agents 1 and 2 may be used without or after rinsing the hair. Heating treatment may be performed at a predetermined temperature for a predetermined period of time. A device such as a roller ball or a steamer can be used for the heating treatment. In addition, the entire hair may be covered with vinyl wrap when using the device.
Conditions for the heating treatment include, for example, heating the hair at a temperature of 30° C. or higher and 55° C. or lower for a time of 2 minutes or longer and 60 minutes or shorter. In addition, the said heating temperature means the preset temperature of the instrument used for a heating.
From the viewpoint of realizing more excellent hair deformation, it is preferable to perform a heating treatment after using the first agent.

(iron treatment)
As a method of using the cosmetic composition for transforming hair according to the present embodiment, the hair may be ironed after using each constituent agent or a mixture of agents 1 and 2. Therefore, for example, after using the first agent, the hair may be ironed for a predetermined time at a predetermined temperature after drying the hair with a dryer or the like without or after washing off the first agent. After using the second agent, the hair may be ironed for a predetermined time at a predetermined temperature after drying the hair with a hair dryer or the like without or after washing off the second agent. After use, the mixture of agents 1 and 2 may be dried with a dryer or the like without or after rinsing off, and then the hair may be ironed for a prescribed period of time at a prescribed temperature.
A known hair iron can be used for ironing. Hair irons include, for example, straight irons having a pair of opposing plate-shaped heating elements (for example, "ADST Premium DS" manufactured by Hakko Co., Ltd., "VSI-1009/PJ" manufactured by Koizumi Seiki Co., Ltd.), and bar-shaped heat generators for winding hair. A curling iron having a body (for example, "ion curl iron 19 mm" manufactured by Creitzion Co., Ltd.) and the like can be mentioned.
The ironing conditions include, for example, heating the hair at a heating temperature of 120° C. or higher and 230° C. or lower for a time of 3 seconds or longer and 10 seconds or shorter. In addition, the said heating temperature means the preset temperature in a curling iron.

As a method for using the cosmetic composition for transforming hair according to the present embodiment, the hair may be subjected to a known heat treatment (for example, , heat treatment using a known digital perm device, etc.) may be used.

[Use]
The cosmetic for hair transformation of this embodiment is used for hair transformation. Hair care applications that also serve as hair deformation applications, hair straightening applications, curly hair straightening applications, hair curling applications, hair wave applications, hair relaxer applications, and the like.

(Product form)
The product form of the cosmetic for hair transformation of the present embodiment is a multi-agent hair care cosmetic for hair transformation (for example, a multi-agent hair care for hair transformation comprising a hair shampoo and a hair treatment, and a hair transformation comprising two or more hair treatments. multi-component hair treatment for hair transformation, etc.), multi-component hair straightening cosmetic, multi-component curly hair straightening cosmetic, multi-component hair curling cosmetic, multi-component hair wave cosmetic, multi-component hair relaxer etc. Here, the hair treatment includes rinses, conditioners and hair treatments.
The multi-agent type includes a two-agent type comprising the first and second agents of the present embodiment, a two-agent type comprising the first and second agents of the present embodiment, and any of a pretreatment agent, an intermediate treatment agent, and a post-treatment agent. 3-agent type, 4-agent type, 5-agent type, 6-agent type, etc. are included.

(target hair)
There is no particular limitation on the hair to which the hair-modifying cosmetic of the present embodiment is applied.

〔Production method〕
The method for producing the cosmetic for transforming hair of the present embodiment is not particularly limited, and a known method for producing a cosmetic for transforming hair may be used.
Therefore, in the 1st and 2nd agents of the present embodiment, it is preferable to use a known method for producing a hair-modifying cosmetic. In addition, for the pre-treatment agent, intermediate treatment agent, or post-treatment agent that are optionally used as constituents of the cosmetic for hair transformation of the present embodiment, it is preferable to use a known method for producing a cosmetic for hair transformation. .

<Hair transformation method>
The hair transformation method of this embodiment is a hair transformation method using the above-described hair transformation cosmetic of this embodiment. Excellent hair deformation can be realized by the hair deformation method of the present embodiment.
The hair transformation that can be achieved by the hair transformation method of this embodiment is the same as the hair transformation in the above-described hair transformation cosmetic of this embodiment.

For the hair transformation method of this embodiment, other than using the hair transformation cosmetic of this embodiment described above, a known hair transformation method can be employed. Therefore, for the hair transformation method of this embodiment, for example, the usage method of the hair transformation cosmetic of this embodiment described above can be adopted.

EXAMPLES The present invention will be described in detail below based on examples, but the present invention is not limitedly interpreted based on the description of these examples.

<Test Example 1>
In Test Example 1, the test was conducted by changing the combination of agents 1 and 2 and each composition in the cosmetic for hair modification. Examples 1 to 31 and Comparative Examples 1 to 13 will be described in detail below.

(Examples 1 to 31, Comparative Examples 1 to 13)
Agents 1 and 2 having the compositions shown in Tables 1 to 10 below were prepared by mixing each component in a conventional manner. Using each of the prepared agents 1 and 2, the hair was treated as described below, and the hair deformation effect (strengthening of hair curl) was evaluated.
The numbers in each component column shown in Tables 1 to 10 represent % by mass, and the notation "-" in each component column indicates that it is not blended. Also, the pH value is the value measured at 25° C., and the notation of "/" in the pH column indicates that it has not been measured.

(Hair treatment in Test Example 1)
A plurality of 0.1 g hair bundles having a length of about 25 cm were prepared using strongly wavy human hair (manufactured by HIS&HER) of the same person. The hair tresses thus prepared were washed with a shampoo ("Deese's Neu Due Willow Luxe Shampoo" manufactured by Milbon), rinsed with running water, and then immersed in water for 30 minutes. The wet hair tresses after immersion were fixed to a plate for fixing tresses and allowed to dry naturally. The number of crests of the wave of the hair bundle after drying was measured as "the number of crests of the hair bundle before treatment".
Subsequently, the hair bundles of which the number of crests before treatment was measured were rinsed with running water, and the wet hair bundles were each treated with one agent in Examples 1 to 31 and Comparative Examples 1 to 13 shown in Tables 1 to 10 below. About 1 g was applied to it and left for 30 minutes without being washed off. After 30 minutes, the hair tress was rinsed with running water for about 20 seconds and dried with a dryer. Using an iron equipped with a pair of plate-shaped heating elements (plate-shaped heating element setting temperature: 180 ° C) for the hair bundle after drying, from the root part to the tip part for about 2 seconds while sandwiching the hair bundle between the irons. The operation of sliding and straightening the hair was performed three times in total. After that, 1 g of each of the two agents in Examples 1 to 31 and Comparative Examples 1 to 13 shown in Tables 1 to 10 below was applied to each hair tress and left for 30 minutes without rinsing off. After 30 minutes had passed, the hair tress was rinsed with running water for about 20 seconds, and was washed twice with shampoo (“Deesse Neu Due Willow Luxe Shampoo” manufactured by Milbon). After washing with shampoo, the hair tresses were immersed in water for 30 to 90 minutes, and the wet tresses after immersion were fixed to a plate for fixing tresses and allowed to dry naturally. The number of crests of the wave of the hair bundle after drying was measured as "the number of crests of the hair bundle after treatment".

The number of wave peaks of hair bundles in “Number of peaks of hair bundle before processing” and “Number of peaks of hair bundle after processing” is measured when the hair bundle fixed to the plate for fixing the hair bundle is viewed from the front. We measured the number of crests of the waves when visually observing at slightly different angles. Even if the number of peaks of the wave is not measured as 1 when the hair bundle fixed to the hair bundle fixing plate is viewed from the front, the circumference of the wave at the tip of the hair can be seen when viewed from a slightly different angle. When the wave is applied to about 1/4 of the peak, the number of crests is measured as 0.5.
FIG. 1 is a photograph taken from the front when a hair bundle before the treatment of Example 2 and a hair bundle after the treatment of Example 2 were respectively fixed to a plate for fixing the hair bundle. The arrows in FIG. 1 indicate the crests of waves when the hair bundle is viewed from the front.

(Calculation of "number of reduction in number of ridges" and "rate of reduction in number of ridges (%)")
Using the measured "number of ridges before treatment" and "number of ridges after treatment", "number of ridges reduced" and "number of ridges reduced (%)" are calculated using the following formula. ” was calculated.
・Calculation formula for the number of threads reduced Number of threads reduced = number of threads before treatment - number of threads after treatment ・Calculation formula for rate of thread reduction (%) = ( (Number of ridges of hair bundle before treatment−Number of ridges of hair bundle after treatment)/Number of ridges of hair bundle before treatment)×100
It should be noted that the larger the numbers of the calculated "reduction number of crests" and "reduction rate of crests (%)", the more excellent the elongation of the hair curl and the more excellent the hair deformation effect.

(Evaluation result of Test Example 1)
Tables 1 to 10 below show the evaluation results of Examples 1 to 31 and Comparative Examples 1 to 13.

(Evaluation Results 1-1: Example 1, Comparative Examples 1 to 4)
Table 1 shows the evaluation results of Example 1 and Comparative Examples 1 to 4. The two agents in Example 1 and Comparative Examples 1 to 4 did not contain sodium copper chlorophyllin.

From the results shown in Table 1, Example 1 (using 1 agent containing guanidine carbonate and 2 agents containing violet rose extract), Comparative Example 1 (using 1 agent not containing guanidine carbonate), Comparative Example 2 (using violet rose extract) 2 agents not blended with extract) and Comparative Example 3 (using 1 agent not blended with guanidine carbonate and 2 agents not blended with purple rose extract), the reduction rate (%) of the number of crests was large, and the hair became unruly. It can be seen that the elongation of the In addition, it can be seen that Example 1 is superior to Comparative Example 7 (one agent containing glyoxylic acid and not containing an alkaline agent) in extension of hair curl.
Therefore, it can be seen that the hair treatment using agent 1 containing guanidine carbonate and agent 2 containing purslane extract is excellent in hair extension and thus in hair deformation.

(Evaluation Results 1-2: Example 2, Comparative Examples 5-7)
Table 2 shows the evaluation results of Example 2 and Comparative Examples 5-7.

From the results shown in Table 2, Example 2 (using 1 agent containing guanidine carbonate and 2 agents containing violet rose extract), Comparative Example 5 (using 1 agent not containing guanidine carbonate), Comparative Example 6 Extract-free agent 2 was used) and Comparative Example 7 (using guanidine carbonate-free agent 1 and purple rose extract-free agent 2), the reduction rate (%) of the number of crests was large, and the hair became unruly. It can be seen that the elongation of the
Therefore, it can be seen that the hair treatment using agent 1 containing guanidine carbonate and agent 2 containing purslane extract is excellent in hair extension and thus in hair deformation.

(Evaluation Results 1-3: Examples 2 to 4, Comparative Example 5)
Table 3 shows the evaluation results of Examples 2 to 4 and Comparative Example 5.

From the results shown in Table 3, Examples 2 to 4 using agent 1 containing an alkaline agent such as guanidine carbonate, aqueous ammonia, or sodium hydroxide and agent 2 containing a red rose extract are comparable to those in Comparative Example 5 (carbonic acid Compared to the 1st agent that does not contain guanidine and the 2nd agent that contains purslane varensis extract), the reduction rate (%) of the number of crests is large, and it can be seen that the extension of hair curl is excellent.
Therefore, it can be seen that hair treatment using agent 1 containing an alkaline agent and agent 2 containing a red rose extract is excellent in hair extension and thus in hair deformation.

(Evaluation Results 1-4: Example 5, Comparative Example 8)
Table 4 shows the evaluation results of Example 5 and Comparative Example 8. In Table 4, the notation of "appropriate amount" of citric acid represents the blending amount of citric acid when the pH of agent 1 is adjusted to 8.0, and the amount of purified water is "total of 100". represents the blending amount of purified water when the total amount of agent 1 is 100% by mass.

From the results shown in Table 4, Example 5 (using agent 1 containing guanidine carbonate with pH adjusted to 8.0 and agent 2 containing purple rose extract) was comparative example 8 (pH adjusted to 8.0). Compared to the 1st agent containing guanidine carbonate and the 2nd agent that did not contain purslane extract, the reduction rate (%) of the number of crests was large, and it was found to be excellent in hair extension.
Therefore, it can be seen that the hair treatment using agent 1 containing guanidine carbonate and agent 2 containing purslane extract is excellent in hair extension and thus in hair deformation.

(Evaluation results 1-5: Examples 2 and 6, Comparative Examples 9 to 13)
Table 5 shows the evaluation results of Examples 2 and 6 and Comparative Examples 9-13.

From the results shown in Table 5, Example 2 (using 2 agents containing purslane extract) and Example 6 (using 2 agents containing ferulic acid) are comparative examples 9 to 13 (methyl paraoxybenzoate, kojic acid, β-arbutin, resorcinol, or L-ascorbic acid), the rate of decrease in the number of crests (%) is large, and the extension of hair curl is excellent.
Therefore, it can be seen that hair treatment using agent 1 containing guanidine carbonate and agent 2 containing specific polyphenols or the like is excellent in hair extension and thus in hair deformation.

(Evaluation results 1-6: Examples 7 to 11, Comparative Example 6)
Table 6 shows the evaluation results of Examples 7 to 11 and Comparative Example 6.

From the results shown in Table 6, Examples 7 to 11 (using two agents containing any of ferulic acid, cacao extract, strawberry seed extract, tea leaf extract, and lobster coffee tree seed extract) are comparative example 6 (specified Compared to the second agent that does not contain polyphenols, etc., the reduction rate (%) of the number of crests is large, and it can be seen that the extension of the hair curl is excellent. The dextrin in the second agent of Example 9 is an additive in the raw material containing the cacao extract used.
Therefore, it can be seen that hair treatment using agent 1 containing guanidine carbonate and agent 2 containing specific polyphenols or the like is excellent in hair extension and thus in hair deformation.

(Evaluation results 1-7: Examples 12 to 16, Comparative Example 6)
Table 7 shows the evaluation results of Examples 12 to 16 and Comparative Example 6.

From the results shown in Table 7, Examples 12 to 16 (using two agents containing any of Junsai leaf extract, Cistanche tuberosa root extract, perilla seed extract, Satozakura flower extract, and buckwheat leaf extract) are comparative example 6. It can be seen that the reduction rate (%) of the number of crests is greater than that of (using 2 agents that do not contain specific polyphenols, etc.), and that hair extension is excellent. The sodium starch octenylsuccinate, dextrin, ascorbic acid, and malic acid in the two agents of Examples 12 and 14 to 16 are additives in the raw materials containing the plant extracts used.
Therefore, it can be seen that hair treatment using agent 1 containing guanidine carbonate and agent 2 containing specific polyphenols or the like is excellent in hair extension and thus in hair deformation.

(Evaluation results 1-8: Examples 17 to 21, Comparative Example 6)
Table 8 shows the evaluation results of Examples 17 to 21 and Comparative Example 6.

From the results shown in Table 8, Examples 17 to 21 (using any two formulations of onion root extract, chrysanthemum flower extract, kiwi seed extract, tea leaf extract, butterbur leaf/stem extract) are comparative example 6 ( It can be seen that the reduction rate (%) of the number of crests is large compared to the second agent that does not contain specific polyphenols, etc., and it is excellent in hair extension. Maltodextrin, dextrin, and citric acid in the two agents of Examples 18 to 21 are additives in the raw materials containing the plant extracts used.
Therefore, it can be seen that hair treatment using agent 1 containing guanidine carbonate and agent 2 containing specific polyphenols or the like is excellent in hair extension and thus in hair deformation.

(Evaluation results 1-9: Examples 22 to 26, Comparative Example 6)
Table 9 shows the evaluation results of Examples 22 to 26 and Comparative Example 6.

From the results shown in Table 9, Examples 22 to 26 (using two agents containing any of purple rosemary extract, rosemary leaf extract, evening primrose seed extract, chabotokesou extract, and Aristotheria chilensis fruit extract) are comparative examples. Compared to No. 6 (using agent 2 that does not contain specific polyphenols, etc.), the rate of reduction in the number of crests (%) is large, and it is found that hair extension is excellent.
Therefore, it can be seen that hair treatment using agent 1 containing guanidine carbonate and agent 2 containing specific polyphenols or the like is excellent in hair extension and thus in hair deformation.

(Evaluation results 1-10: Examples 1, 2, 27-31)
Table 10 shows the evaluation results of Examples 1, 2, and 27-31.

From the results shown in Table 10, Examples 2, 27 to 29 (using two agents containing any one of sodium copper chlorophyllin, copper gluconate, iron gluconate, and manganese gluconate), Example 1 (manganese gluconate, Compared to Example 1 (using 2 agents containing either zinc gluconate) and Example 1 (using 2 agents not containing a metal compound), the reduction rate (%) of the number of crests was large, and further improved the lengthening of hair curls. I know it's good.
Therefore, hair treatment using agent 1, which contains guanidine carbonate, and agent 2, which contains either purslane extract, sodium copper chlorophyllin, copper gluconate, iron gluconate, or manganese gluconate, is effective in reducing hair curl. It can be seen that it is more excellent in hair deformation because it is more excellent in elongation.

Table 11 shows the structures of the polyphenol components contained in the plant extracts used in Examples 1-5, Examples 8-31, and Comparative Examples 1 and 5.

<Test Example 2>
In Test Example 2, the hair bundles were treated with the hair transformation cosmetics of Examples 1 and Comparative Example 4 used in Test Example 1, and the hair bundles were treated with the hair transformation cosmetics of Examples 2 to 4, respectively. was used to evaluate the hair damage of the hair tresses after treatment with each hair-modifying cosmetic. The first and second agents of Examples 1 to 4 and Comparative Example 4 are the same as those prepared in Test Example 1. In addition, in Test Example 2, evaluation was performed using hair different from that in Test Example 1.

(Hair treatment in Test Example 2)
For the hair treatment, a plurality of 3 g bundles were prepared from the same person's Japanese hair (wavy hair that had undergone hair color treatment). After washing the prepared hair tresses with a shampoo ("Deese's Neu Due Silky Luxe Shampoo" manufactured by Milbon), rinsing with running water, the wet hair tresses were applied with Examples 1 to 4 shown in Tables 12 and 13 below, and Comparative 3 g of each 1 agent in Example 4 was applied to each hair tress and left for 30 minutes without being washed off. After 30 minutes, the hair tress was rinsed with running water for about 20 seconds and dried with a dryer. Using an iron equipped with a pair of plate-shaped heating elements (plate-shaped heating element setting temperature: 180 ° C) for the hair bundle after drying, from the root part to the tip part for about 2 seconds while sandwiching the hair bundle between the irons. The operation of sliding and straightening the hair was performed three times in total. After that, 3 g of each of the two agents in Examples 1 to 4 and Comparative Example 4 shown in Table 13 below was applied to each hair tress and left for 30 minutes without rinsing off. After 30 minutes, the tresses were rinsed with running water for about 20 seconds, washed once with shampoo (“Deesse Neu Due Silky Luxe Shampoo” manufactured by Milbon), and dried with a drier. Roughness of the ends of the hair tresses after drying was evaluated according to the following evaluation method and evaluation criteria.

(Evaluation method for roughness of hair ends)
Using the hair bundles treated in each of Examples 1 to 4 and Comparative Example 4, four panelists who routinely evaluate hair care products were asked to evaluate the roughness of the hair ends (hair bundles) compared to the reference hair bundle. The degree of roughness when touching the part about 5 cm from the tip of the hair) is either “small”, “equal”, or “large”, and the roughness of the hair tip is relatively evaluated according to the following evaluation criteria. bottom. It should be noted that the greater the degree of roughness at the ends of the hair, the more damaged the hair.

(Evaluation Criteria for Roughness of Hair Tips)
○: 3 or more people answered that the roughness of the hair ends was less than the reference hair bundle, or 2 people answered that the hair damage was less than the reference hair bundle, and 1 person answered that it was equivalent to the reference hair bundle. Answered above.
Equivalent: 3 or more people answered that the roughness of the hair ends was the same as that of the standard hair bundle, or 2 people answered that the roughness of the hair ends was less than that of the reference hair bundle, and that the hair ends were rougher than the standard hair bundle. Two people answered that the roughness was large, or one person answered that the roughness of the hair ends was small compared to the reference hair bundle, and two people answered that the roughness of the hair ends was the same as that of the reference hair bundle. One person answered that the tip of the hair was rougher than the hair bundle.
×: 3 or more people answered that the roughness of the hair ends was greater than that of the reference hair bundle, or 2 people answered that the roughness of the hair ends was greater than that of the reference hair bundle, and the reference hair bundle and hair ends More than one person answered that the roughness of the skin was the same.

(Evaluation result of Test Example 2)
Tables 12 and 13 below show the evaluation results of Example 1, Comparative Example 4, and Examples 2 and 4.

(Evaluation Results 2-1: Example 1 and Comparative Example 4)
Table 12 shows the evaluation results of Example 1 and Comparative Example 4. The hair tress used as a reference for evaluation is the hair tress treated in Comparative Example 4.

From the results shown in Table 12, Example 1 (using 1 agent containing guanidine carbonate and 2 agents containing violet rose extract) compared to Comparative Example 4 (1 agent containing glyoxylic acid and not containing an alkaline agent). Therefore, it can be seen that the evaluation of the roughness of the hair ends is excellent, and the hair damage is reduced.

(Evaluation result 2-2: Examples 2-4)
Table 13 shows the evaluation results of Examples 2 to 4. The hair tresses used for evaluation are the tresses treated in Example 3 or Example 4.

From the results shown in Table 13, Example 2 (using agent 1 containing guanidine carbonate) and Example 3 (using agent 1 containing aqueous ammonia) were used in Example 4 (using agent 1 containing sodium hydroxide). Compared to , it can be seen that the evaluation of the roughness of the hair ends is excellent, and the hair damage is reduced. In addition, Example 2 (using agent 1 containing guanidine carbonate) was superior to Example 3 (using agent 1 containing ammonia water) in evaluating the roughness of hair ends and reduced hair damage. I understand.

<Test Example 3>
In Test Example 3, the method of using the hair-modifying cosmetic comprising Agents 1 and 2 was changed from Test Example 1, and a mixture of Agents 1 and 2 (hair-modifying agent of the present embodiment prepared just before use) was used. (cosmetics) was used. Hereinafter, each example of Example 32 and Comparative Example 14 will be described in detail. In Test Example 3, evaluation was performed using hair different from Test Examples 1 and 2.

(Example 32, Comparative Example 14)
Agents 1 and 2 having the compositions shown in Table 14 below were prepared by mixing each component in a conventional manner. Using the prepared agents 1 and 2, the following hair treatment was carried out to evaluate the elongation of the hair.
The numbers in each component column shown in Table 14 represent % by mass, and when the notation of each component column is "-", it means that it is not blended. Moreover, the value of pH is a measured value at 25 degreeC.

(Hair treatment in Test Example 3)
Using strongly wavy human hair from the same person, a plurality of 0.1 g hair bundles having a length of 20 cm were prepared. The prepared hair tress was washed with shampoo (“Grand Linkage Willow Luxe Shampoo” manufactured by Milbon), rinsed with running water, and then immersed in water for 30 minutes. The wet hair tresses after immersion were fixed to a plate for fixing tresses and allowed to dry naturally. The number of crests of the wave of the hair tress after drying was measured as the "number of crests before treatment". Subsequently, each composition (cosmetics for hair transformation of Example 32 and Comparative Example 14) obtained by mixing the first and second agents of Example 32 and Comparative Example 14 shown in Table 14 below at a mass ratio of 2:1 was applied. 1 g of the above composition was applied to each of the dried hair tresses prepared just before use and having the number of piles measured before treatment, and left for 30 minutes without rinsing off. After 30 minutes, the hair tress was rinsed with running water for about 20 seconds and dried with a dryer. Using an iron equipped with a pair of plate-shaped heating elements (plate-shaped heating element setting temperature: 180 ° C) for the hair bundle after drying, from the root part to the tip part for about 2 seconds while sandwiching the hair bundle between the irons. The operation of sliding and straightening the hair was performed three times in total. After that, the hair bundle was rinsed with running water for about 20 seconds, and washed twice with shampoo (“Grand Linkage Willow Luxe Shampoo” manufactured by Milbon). After washing with shampoo, the tresses were immersed in water for 30 minutes, and the wet tresses after immersion were fixed to a plate for fixing tresses and allowed to dry naturally. The number of crests of the wave of the hair bundle after drying was measured as "the number of crests of the hair bundle after treatment".

(Calculation of "number of reduction in number of ridges" and "rate of reduction in number of ridges (%)")
Using the measured "number of crests before treatment" and "number of crests after treatment", the same calculation formula as in Test Example 1 was used to calculate the "number of crests decreased" and the "reduction rate of crests (%)". It should be noted that the larger the numbers of the calculated "number of reduced crests" and "ratio of reduced crests (%)", the more excellent the elongation of hair curl and the more excellent the hair deformation effect.

(Evaluation result of Test Example 3)
The evaluation results of Example 32 and Comparative Example 14 are shown in Table 14 below.

From the results shown in Table 14, Example 32 (2 agents containing rosemary leaf extract) has a peak reduction rate (%) as compared to Comparative Example 14 (2 agents without rosemary leaf extract). It can be seen that it is large and excellent in elongation of hair curls.
Therefore, hair treatment using a hair-modifying cosmetic prepared by mixing agent 1 containing guanidine carbonate and agent 2 containing rosemary leaf extract is excellent in extension of hair curls. It turns out that it is excellent in hair deformation.

<Test Example 4>
In Test Example 4, the test was conducted by changing the heat treatment step in the method of using the cosmetic composition for hair modification provided with Agent 1 and Agent 2. Examples 33 to 37 and Comparative Example 15 will be described in detail below. In Test Example 4, evaluation was performed using hair different from Test Examples 1 to 3.

(Examples 33-37, Comparative Example 15)
Agents 1 and 2 having the compositions shown in Table 15 below were prepared by mixing each component in a conventional manner. Using the prepared agents 1 and 2, the hair was treated as follows, and the elongation of the hair was evaluated.
The numbers in each component column shown in Table 15 represent % by mass, and when the notation of each component column is "-", it means that it is not blended. Moreover, the value of pH is a measured value at 25 degreeC.

(Hair treatment in Test Example 4)
A plurality of about 0.1 g hair tresses having a length of 22 cm were prepared from the same person's Japanese hair (hair color-treated wavy hair). The prepared hair tresses were washed with shampoo (“Noidue Silky Luxe Shampoo” manufactured by Milbon), rinsed with running water, and then immersed in water for 30 minutes. The wet hair tresses after immersion were fixed to a plate for fixing tresses and allowed to dry naturally. The number of crests of the wave of the hair tress after drying was measured as the "number of crests before treatment". Subsequently, using the hair bundles with the number of crests measured before treatment, hair treatment was performed using the following hair transformation cosmetics of Examples 33 to 37 and Comparative Example 15, and the hair bundles after each treatment were washed with running water. After rinsing, the wet hair bundle was fixed to a board for fixing the hair bundle and allowed to stand for about one day to dry naturally. The number of crests of wave of the hair tress after drying was measured as "number of crests after treatment".

(Hair treatment of Example 33)
[Step 1] Agent 1 Treatment After wetting the hair bundle with running water, 1 mL of Agent 1 having the composition shown in Example 33 in Table 15 was applied to the wet hair bundle.
[Step 2] Heating treatment (40°C) after the first agent
The hair tresses to which Agent 1 was applied were heated for 15 minutes in a constant temperature machine at 40°C without being washed off. After warming, the tresses were rinsed with running water.
[Step 3] Iron treatment (180°C) after the first agent
The hair bundle was dried with a drier, sandwiched between an iron equipped with a pair of plate-shaped heating elements (plate-shaped heating element setting temperature: 180°C), and ironed three times by stretching and sliding the hair bundle. (Ironing time is about 5 seconds per time).
[Step 4] 2-agent treatment The hair tress was rinsed with water, and 1 mL of 2-agent having the composition shown in Example 33 in Table 15 was applied to the wet hair tress, and then left at room temperature for 15 minutes. After 15 minutes, the tresses were rinsed with running water.
[Step 5] Ironing step (180°C) after the second agent
The hair bundle was dried with a drier, sandwiched between an iron equipped with a pair of plate-shaped heating elements (plate-shaped heating element setting temperature: 180°C), and ironed three times by stretching and sliding the hair bundle. (Ironing time is about 5 seconds per time).

(Hair treatment of Example 34)
The hair treatment of Example 34 was carried out in the same manner as in Example 33 except that [Step 3] of the hair treatments [Step 1] to [Step 5] of Example 33 described above was omitted. For the hair treatment of Example 34, one agent having the composition shown in Example 34 of Table 15 was used.

(Hair treatment of Example 35)
In the hair treatment of Example 35, [Step 3] and [Step 5] of the hair treatments of [Step 1] to [Step 5] of Example 33 shown above are omitted, and the rest is the same as in Example 33. did the same. For the hair treatment of Example 35, one agent having the composition shown in Example 35 of Table 15 was used.

(Hair treatment of Example 36)
In the hair treatment of Example 36, [Step 2] and [Step 5] of the hair treatments of [Step 1] to [Step 5] of Example 33 shown above are omitted, and the rest is the same as in Example 33. did the same. For the hair treatment of Example 36, one agent having the composition shown in Example 36 of Table 15 was used.

(Hair treatment of Example 37)
In the hair treatment of Example 37, among the hair treatments of [Step 1] to [Step 5] of Example 33 shown above, [Step 2], [Step 3] and [Step 5] are omitted, and the other was performed in the same manner as in Example 33. For the hair treatment of Example 37, one agent having the composition shown in Example 37 of Table 15 was used.

(Hair treatment of Comparative Example 15)
In the hair treatment of Comparative Example 15, [Step 2], [Step 3] and [Step 5] of the hair treatments of [Step 1] to [Step 5] of Example 33 shown above are omitted, and [ The procedure was carried out in the same manner as in Example 33, except that the second agent in step 4] was changed to the second agent having the composition shown in Comparative Example 15 in Table 15. For the hair treatment of Comparative Example 15, one agent having the composition shown in Comparative Example 15 in Table 15 was used.

(Calculation of "number of reduction in number of ridges" and "rate of reduction in number of ridges (%)")
Using the measured "number of crests before treatment" and "number of crests after treatment", the same calculation formula as in Test Example 1 was used to calculate the "number of crests decreased" and the "reduction rate of crests (%)". It should be noted that the larger the numbers of the calculated "number of reduced crests" and "ratio of reduced crests (%)", the more excellent the elongation of hair curl and the more excellent the hair deformation effect.

(Evaluation result of Test Example 4)
The evaluation results of Examples 33 to 37 and Comparative Example 15 are shown in Table 15 below. In the column of hair treatment steps, "Yes" indicates that each treatment was performed, and "-" indicates that each treatment was not performed.

From the results shown in Table 15, it can be seen that the hair treatments of Examples 33 to 37 have a higher crest number reduction rate (%) than the hair treatment of Comparative Example 15, and are excellent in hair straightening.
In addition, the hair treatments of Examples 33 to 36 showed a higher crest number reduction rate (%) than the hair treatment of Example 37, indicating that the hair was excellent in straightening of curls. Therefore, hair treatment using any one of heat treatment (40 ° C.) after the first agent, ironing (180 ° C.) after the first agent, and ironing (180 ° C.) after the second agent (Example 33 36) are superior to the hair treatment without them (Example 37) in extending the curl of the hair.

Therefore, from the results shown in Table 15, it can be seen that the hair treatment using the heat treatment is superior in extension of the curl of the hair, and thus superior in deformation of the hair.
The results of the difference in the reduction rate (%) of the number of peaks between Example 37 and Comparative Example 15 in Table 15 of Test Example 4, and the number of peaks of Example 2 and Comparative Example 2 in Tables 2 and 3 of Test Example 1. The difference in reduction rate (%) results are different, but this is considered to be due to the difference in hair tresses used in each test.

Claims (6)

1 agent containing an alkaline agent and having a pH of 7.0 or higher at 25° C.;
ferulic acid, theobromine, a polyphenol having two or more 4-hydroxyphenyl groups, a polyphenol having one or two or more 3,4-dihydroxyphenyl groups, and one or two or more 3,4,5-trihydroxyphenyl groups 2 agents in which one or more selected from the group of polyphenols having
A cosmetic for hair transformation comprising: 2. The cosmetic composition for hair modification according to claim 1, wherein the second agent contains one or more metal salts selected from the group consisting of copper salts, iron salts and manganese salts. 3. The cosmetic for hair transformation according to claim 1, wherein the pH of said agent 1 is 13.0 or less. 4. The cosmetic for hair transformation according to any one of claims 1 to 3, which is used in a method of heat-treating the hair after using the first agent. The cosmetic for hair transformation according to any one of claims 1 to 3, which is used for hair transformation to straighten hair. A hair transformation method using the hair transformation cosmetic according to any one of claims 1 to 5.

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