JP2012232919A - Hair cleaning agent composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hair cleaning agent composition excellent in finger-combability at a rinsing time, capable of imparting moisture feeling and tension to the hair after drying, and finishing the hair to be easily styled, and further excellent in improving activity of hair quality.SOLUTION: This hair cleaning agent composition contains (A) a cationic surfactant, (B) a long-chain aliphatic alcohol, (C) an ampholytic surfactant and (D) a copolymer comprising at least two kinds of monomer units, wherein at least one of the monomer units is acrylic acid, and the mole content rate of the acrylic acid is 5-40 mol%; wherein the mass ratio of the component (A) and the component (B) to the component (D): ([(A)+(B)]/(D)) is 8-200, and the mass ratio of the component (A) to the component (D): ((A)/(D)) is 5-50.

Description

  The present invention relates to a hair cleansing composition.

  In recent years, women's hair has become more susceptible to physical damage due to daily hair washing, styling, hair dryers, and the like, and chemical damage due to hair dyeing, bleaching, perm treatment, etc., with an increasing awareness of cleanliness and fashion. Problems with damaged hair include increased squeakiness when shampooing is rinsed, dry hair that is not moist and dry, combing worse, and reduced hair tension. It is done.

  Therefore, there is a demand for providing a hair cleansing composition that gives firmness to the hair after drying, further maintains its effect, and can be easily styled even on the next day. There is also a need for a simple product that can provide both a shampoo effect and a treatment effect with a single product.

As a means to solve the problems of damaged hair, a shampoo composition containing a cationic surfactant or a long-chain aliphatic alcohol as a rinsing component allows the liquid crystal (cationic surface activity) to be used when the hair is rinsed. A technique has been proposed in which an agent and an aggregate of a long-chain aliphatic alcohol) are adsorbed on the hair to exhibit smoothness, suppress the hairiness after drying, and give a smooth feel (Patent Documents 1 to 3). 2).
However, even if these hair cleansing compositions are used, the hair after drying does not have a moist finish like that after conditioner or treatment, and the effect is not sufficient. It is.

In addition, there has been proposed a hair cleansing composition that blends a three-dimensional amphoteric polymer such as a copolymer of acrylic acid, acrylamide, and a dialkyldiallylammonium salt, has a good rinsing feel, and is moist. 3-4).
However, even if these hair cleaning compositions are used, there is a problem in that the moist feeling and firmness of the hair after drying, as well as the finger during rinsing, are not sufficient.

  Accordingly, it is possible to provide a hair cleaning composition that is excellent in fingering during rinsing, can give moist feeling and firmness to the hair after drying, can be finished into hair that is easy to style, and is excellent in hair quality improving action. What is desired is the current situation.

JP 2004-307463 A JP 2001-311099 A JP 2003-105382 A JP 2007-254573 A

  An object of the present invention is to solve the above-described problems and achieve the following objects. That is, the present invention is a hair cleanser composition that is excellent in fingering at the time of rinsing, can give moist feeling and firmness to the hair after drying, can be finished into hair that is easy to style, and is excellent in hair quality improving action The purpose is to provide goods.

In order to solve the above-mentioned problems, the present inventors have made extensive studies and obtained the following findings.
That is, (A) a cationic surfactant, (B) a long-chain aliphatic alcohol, (C) an amphoteric surfactant, and (D) at least two monomer units, and at least one of the monomer units Of acrylic acid, and a copolymer having a molar content of the acrylic acid of 5 mol% to 40 mol%, and the component (A) and the component (B) with respect to the component (D) The mass ratio ([(A) + (B)] / (D)) is 8 to 200, and the mass ratio of the component (A) to the component (D) ((A) / (D)) is 5. The hair cleanser composition of -50 is excellent in fingering at the time of rinsing, can give moist feeling and firmness to the hair after drying, can be further finished into hair that is easy to style, and improves hair quality As a result, the present invention was completed.

The present invention is based on the above findings by the present inventors, and means for solving the above problems are as follows. That is,
<1> (A) a cationic surfactant, (B) a long-chain aliphatic alcohol, (C) an amphoteric surfactant, and (D) at least two types of monomer units, wherein at least one of the monomer units The seed is acrylic acid, and the copolymer has a molar content of acrylic acid of 5 to 40 mol%, and the component (A) and the component (B) with respect to the component (D) The mass ratio ([(A) + (B)] / (D)) is 8 to 200, and the mass ratio ((A) / (D)) of the component (A) to the component (D) is It is a hair cleaning composition characterized by being 5-50.
<2> (D) A copolymer comprising at least two types of monomer units, wherein at least one of the monomer units is acrylic acid, and the molar content of the acrylic acid is 5 mol% to 40 mol%, The hair cleansing composition according to <1>, comprising the acrylic acid and dimethyldiallylammonium chloride.
<3> (E) The hair cleansing composition according to any one of <1> to <2>, further including at least one of silicone oil and ester oil that is liquid at normal temperature.

  According to the present invention, it is possible to solve the above-described problems and achieve the above-described object, excellent in fingering during rinsing, moisturized and firmed hair after drying, and further easy to style. It is possible to provide a hair cleansing composition that can be finished into hair and is excellent in hair quality improving action.

(Hair cleaning composition)
The hair cleansing composition of the present invention comprises a cationic surfactant, a long-chain aliphatic alcohol, an amphoteric surfactant, and at least two monomer units, and at least one of the monomer units is acrylic acid. And a copolymer having a molar content of the acrylic acid of 5 mol% to 40 mol%, preferably at least one of silicone oil and ester oil that is liquid at room temperature, and further necessary Depending on the content, other components are contained.

<(A) Cationic surfactant>
The type of the cationic surfactant (hereinafter sometimes referred to as “component (A)”) is not particularly limited and may be appropriately selected depending on the intended purpose. Cationic surfactants having a hydrocarbon group are preferred. When the number of carbon atoms is less than 12, skin irritation may occur and it may be difficult to form an association with the long-chain aliphatic alcohol (sometimes referred to as liquid crystal). These (A) components may be used individually by 1 type, and may use 2 or more types together.
In the cationic surfactant having a hydrocarbon group having 12 or more carbon atoms, the hydrocarbon group may be divided by a functional group such as —O—, —CONH—, and —COO—. At this time, the hydrocarbon group having 12 or more carbon atoms includes carbon atoms of functional groups such as —CONH— and —COO—.

  The cationic surfactant having a hydrocarbon group having 12 or more carbon atoms is not particularly limited as long as it can be blended in the hair cleaning composition, and can be appropriately selected according to the purpose. Alkyl quaternary ammonium salts, quaternary ammonium salts containing at least one ester group in the molecule, amidoamine type surfactants, amine type surfactants, guanidine derivatives or salts thereof, amino acid type cationic surfactants, etc. Is mentioned.

<< Alkyl quaternary ammonium salt >>
There is no restriction | limiting in particular as said alkyl quaternary ammonium salt, Although it can select suitably according to the objective, The alkyl quaternary ammonium salt etc. which are represented by following General formula (1) are mentioned.
In the general formula (1), at least one of R ¹ and R ² represents a linear or branched alkyl group or alkenyl group, and a linear alkyl group is particularly preferable. Further, either one of R ¹ and R ² may be a methyl group or an ethyl group. At least one of R ¹ and R ² has a carbon number of preferably 12 to 28, more preferably 16 to 24, and particularly preferably 22. R ¹ and R ² may be the same as or different from each other.
In the general formula (1), R ³ and R ⁴ represent a methyl group or an ethyl group, and these may be the same or different.
In the general formula (1), Z ⁻ represents an anion, and examples thereof include CH ₃ SO ₄ ⁻ , C ₂ H ₅ SO ₄ ⁻ , Cl ⁻ and Br ⁻ .

  The salt in the alkyl quaternary ammonium salt is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include inorganic salts such as hydrochloride, bromate, sulfate and phosphate; glycolic acid Examples thereof include organic acid salts such as salts, acetate salts, lactate salts, succinate salts, tartrate salts, citrate salts, acidic amino acid salts, higher fatty acid salts, pyroglutamate salts, and p-toluenesulfonate salts. In addition, the salt used for neutralization may be used individually by 1 type, and may use 2 or more types together.

  Specific examples of the alkyl quaternary ammonium salt represented by the general formula (1) include behenyltrimethylammonium chloride, dibehenyldimethylammonium chloride and the like.

<< Quaternary ammonium salt containing an ester group in the molecule >>
Examples of the quaternary ammonium salt containing at least one ester group in the molecule include, for example, a quaternary ammonium salt containing one ester group in the molecule represented by the following general formula (2), and the following general formula (4 And quaternary ammonium salts containing two ester groups in the molecule represented by the following general formula (6).

-Quaternary ammonium salt containing one ester group in the molecule-
Examples of the quaternary ammonium salt containing one ester group in the molecule include quaternary ammonium salts represented by the following general formula (2).
In the general formula (2), R ⁵ represents a linear or branched alkyl or alkenyl group having at least one ester group having 12 to 26 carbon atoms, and R ⁶ represents a methyl group, an ethyl group, Or a C1-C4 hydroxyalkyl group is represented. R ⁶ may be the same as or different from each other.
In the general formula (2), X ⁻ represents an anion, and examples thereof include CH ₃ SO ₄ ⁻ , C ₂ H ₅ SO ₄ ⁻ , Cl ⁻ and Br ⁻ .

Among these, as the quaternary ammonium salt containing one ester group in the molecule, a compound represented by the following general formula (3) is preferable.
In the general formula (3), R ⁷ represents a linear or branched alkyl group or alkenyl group having 9 to 23 carbon atoms, preferably a linear alkyl group or alkenyl group having 13 to 21 carbon atoms. Specifically, R ⁷ is preferably a residue obtained by removing a carboxyl group from a fatty acid such as stearic acid, palmitic acid, myristic acid, oleic acid, and elaidic acid.

-Quaternary ammonium salt containing two ester groups in the molecule-
Examples of the quaternary ammonium salt containing two ester groups in the molecule include compounds represented by the following general formula (4).
In the general formula (4), R ⁵ represents a linear or branched alkyl group or alkenyl group having at least one ester group having 12 to 26 carbon atoms, and R ⁶ represents a methyl group, an ethyl group, Or a C1-C4 hydroxyalkyl group is represented. R ⁵ and R ⁶ may be the same as or different from each other.
In the general formula (4), X ^- represents an anion, for _{^{example, CH 3 SO 4 -, C}} 2 H 5 SO 4 -, Cl -, Br - , and the like.

Among these, the quaternary ammonium salt containing two ester groups in the molecule is preferably a compound represented by the following general formula (5).
In the general formula (5), R ⁷ represents a linear or branched alkyl group or alkenyl group having 9 to 23 carbon atoms, preferably a linear alkyl group or alkenyl group having 13 to 21 carbon atoms. R ⁷ may be the same as or different from each other. Specifically, R ⁷ is preferably a residue obtained by removing a carboxyl group from a fatty acid such as stearic acid, palmitic acid, myristic acid, oleic acid, and elaidic acid.

-Quaternary ammonium salt containing three ester groups in the molecule-
Examples of the quaternary ammonium salt containing three ester groups in the molecule include compounds represented by the following general formula (6).
In the general formula (6), R ⁵ represents a linear or branched alkyl group or alkenyl group having one ester group having 12 to 26 carbon atoms, and R ⁶ represents a methyl group, an ethyl group, or A hydroxyalkyl group having 1 to 4 carbon atoms is represented. R ⁶ may be the same as or different from each other.
In Formula (6), X ^- represents an anion, for _{^{example, CH 3 SO 4 -, C}} 2 H 5 SO 4 -, Cl -, Br - , and the like.

Among these, the quaternary ammonium salt containing three ester groups in the molecule is preferably a compound represented by the following general formula (7).
In the general formula (7), R ⁷ represents a linear or branched alkyl group or alkenyl group having 9 to 23 carbon atoms, preferably a linear alkyl group or alkenyl group having 13 to 21 carbon atoms. R ⁷ may be the same as or different from each other. Specifically, R ⁷ is preferably a residue obtained by removing a carboxyl group from a fatty acid such as stearic acid, palmitic acid, myristic acid, oleic acid, and elaidic acid.

Incidentally, in the general formula ^{(2) ~ (7),} R 5, R 6, R 7, and X ^- is, ^R 5 in each of the other ^formulas, R 6, ^{R 7,} and X ^- and respectively It is independent.

R ⁷ in the general formula (3), the general formula (5), and the general formula (7) is a residue obtained by removing a carboxyl group from a fatty acid having 10 to 24 carbon atoms, a saturated fatty acid, an unsaturated fatty acid, A group derived from either a linear fatty acid or a branched fatty acid is preferred.

When R ⁷ is an unsaturated fatty acid, a cis isomer and a trans isomer exist. There is no restriction | limiting in particular as mass ratio (cis body / trans body) of the said cis body and the said trans body, Although it can select suitably according to the objective, 25 / 75-80 / 20 are preferable, 40 / 60-80 / 20 is more preferable.

Specific examples of the fatty acid used as the basis of R ⁷ include stearic acid, palmitic acid, myristic acid, lauric acid, oleic acid, elaidic acid, linoleic acid, partially hydrogenated palm oil fatty acid (iodine value 10 to 60), Examples include partially hydrogenated beef tallow fatty acid (iodine value 10 to 60).
Among these, the fatty acid used as the basis of R ⁷ is preferably stearic acid, palmitic acid, myristic acid, oleic acid, elaidic acid, linoleic acid, and plant-derived stearic acid, palmitic acid, myristic acid, oleic acid, It is particularly preferable to combine a predetermined amount of at least one of elaidic acid.

As the mass ratio when combining R ⁷ under become fatty acids is not particularly limited and may be appropriately selected depending on the intended purpose, and saturated fatty acids, weight ratio of the unsaturated fatty acid (saturated fatty acid / (Unsaturated fatty acid) is 95/5 to 50/50, and the mass ratio of the cis isomer to the trans isomer (cis isomer / trans isomer) is preferably 40/60 to 80/20.
In addition, the content of fatty acids having 18 carbon atoms is 60% by mass or more, the content of fatty acids having 20 carbon atoms is 2% by mass or less, and the content of fatty acids having 22 carbon atoms is 1% by mass or less. It is preferable to use the fatty acid composition adjusted as described above.

  The method for synthesizing the quaternary ammonium salt containing at least one ester group in the molecule is not particularly limited and may be appropriately selected depending on the intended purpose. For example, the fatty acid composition or the fatty acid methyl ester composition And a method of synthesis by a condensation reaction with triethanolamine, followed by a quaternization reaction with a quaternization reagent such as dimethyl sulfate.

<< Amidoamine type surfactant >>
There is no restriction | limiting in particular as said amidoamine type surfactant, Although it can select suitably according to the objective, The amidoamine type surfactant represented by following General formula (8) is preferable.
In the general formula (8), R ⁸ represents a linear or branched alkyl group or alkenyl group. The carbon number of R ⁸ is preferably 11 to 27, more preferably 15 to 23, and particularly preferably 21.
In the general formula (8), R ⁹ represents an alkyl group having 1 to 4 carbon atoms, preferably a methyl group or an ethyl group. R ⁹ may be the same as or different from each other, and in the general formula (8), n represents an integer of 2 to 4.

Specific examples of the amidoamine type surfactant represented by the general formula (8) include stearic acid diethylaminoethylamide, stearic acid dimethylaminoethylamide, palmitic acid diethylaminoethylamide, coconut oil fatty acid diethylaminopropylamide, and palmitic acid dimethyl. Aminoethylamide, myristic acid diethylaminoethylamide, myristic acid dimethylaminoethylamide, behenic acid diethylaminoethylamide, behenic acid dimethylaminoethylamide, stearic acid diethylaminopropylamide, stearic acid dimethylaminopropylamide, palmitic acid diethylaminopropylamide, palmitic Acid dimethylaminopropylamide, myristic acid diethylaminopropylamide, myristic acid dimethylaminopropyl Piruamido, behenic acid diethylaminopropylamide, like behenic acid dimethylaminopropylamide.
Among these, the amidoamine type surfactant is preferably stearic acid dimethylaminopropylamide, stearic acid diethylaminoethylamide, behenic acid diethylaminoethylamide, or behenic acid dimethylaminopropylamide.

The amidoamine type surfactant is usually contained in the form of a salt. The kind of the salt is not particularly limited and may be appropriately selected depending on the purpose. Examples thereof include inorganic salts such as hydrochloride, bromate, sulfate, phosphate, glycolate, acetate, Examples include lactate, succinate, tartrate, citrate, acidic amino acid salt, higher fatty acid salt, pyroglutamate, and organic acid salts such as p-toluenesulfonate.
Among these, acidic amino acid salts, citrates and hydrochlorides are preferable. In addition, the salt used for neutralization may be used individually by 1 type, and may use 2 or more types together.

<< Amine type surfactant >>
There is no restriction | limiting in particular as said amine type surfactant, Although it can select suitably according to the objective, Stearoxy propyl dimethylamine is preferable.

The amine type surfactant is usually contained in the form of a salt. The kind of the salt is not particularly limited and may be appropriately selected depending on the purpose. Examples thereof include inorganic salts such as hydrochloride, bromate, sulfate, phosphate, glycolate, acetate, Examples include lactate, succinate, tartrate, citrate, acidic amino acid salt, higher fatty acid salt, pyroglutamate, and organic acid salts such as p-toluenesulfonate.
Among these, acidic amino acid salts, citrates and hydrochlorides are preferable. In addition, the salt used for neutralization may be used individually by 1 type, and may use 2 or more types together.

<< Guanidine derivative or salt thereof >>
There is no restriction | limiting in particular as said guanidine derivative or its salt, Although it can select suitably according to the objective, The guanidine derivative represented by following General formula (9) or its salt is preferable.
In the general formula (9), R ¹⁰ represents a linear or branched alkyl group or alkenyl group. As the number of carbon atoms in ^{R 10,} preferably 11-27, 11-21 it is more preferred.
In the general formula (9), A represents a linear or branched alkylene group or alkenylene group. As carbon number of said A, 1-10 are preferable and 2-6 are more preferable.
In the general formula (9), t represents an integer of 1 to 5. When t is 2 or more, A in each block may be the same as or different from each other.
Specific examples of the ^{R 10} _{is, C 11 H 23 -, C} 12 H 25 -, C 13 H 27 -, C 14 H 29 -, C 15 H 31 -, C 16 H 33 -, C 17 H 35 - , (C ₈ H ₁₇ ) ₂ CH—, 4-C ₂ H ₅ C ₁₅ H ₃₀ — and the like.
Specific examples of A include a methylene group, an ethylene group, a propylene group, a butylene group, a pentylene group, a hexylene group, an isopropylene group, a 2-pentenyl group, and a 2-ethylbutylene group.

The guanidine derivative represented by the general formula (9) is usually contained in the form of a salt. The kind of the salt is not particularly limited and may be appropriately selected depending on the purpose. Examples thereof include inorganic salts such as hydrochloride, bromate, sulfate, phosphate, glycolate, acetate, Examples include lactate, succinate, tartrate, citrate, acidic amino acid salt, higher fatty acid salt, pyroglutamate, and organic acid salts such as p-toluenesulfonate.
Among these, hydrochloride, bromate, acetate, glycolate, citric acid, and acidic amino acid salt are preferable. In addition, the salt used for neutralization may be used individually by 1 type, and may use 2 or more types together.

<< Amino Acid Type Cationic Surfactant >>
The amino acid type cationic surfactant is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include mono-N-long chain acyl basic amino acid lower alkyl ester salts.

  The basic amino acid in the amino acid type cationic surfactant is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include natural amino acids such as ornithine, lysine and arginine. A synthetic amino acid such as α, γ-diaminobutyric acid can also be used. These may be optically active or racemic.

The acyl group in the amino acid type cationic surfactant is not particularly limited and may be appropriately selected depending on the intended purpose, but is preferably a saturated or unsaturated higher fatty acid residue having 12 to 22 carbon atoms. . These may be natural or synthesized.
Specific examples of the acyl group in the amino acid type cationic surfactant include single fatty acid residues such as lauroyl group, myristoyl group, palmitoyl group, stearoyl group; coconut oil fatty acid residue, beef tallow higher fatty acid residue, etc. Examples include natural mixed higher fatty acid residues.

There is no restriction | limiting in particular as a lower alkylester component in the said amino acid type cationic surfactant, Although it can select suitably according to the objective, A C1-C8 alkylester is preferable.
Specific examples of the lower alkyl ester component in the amino acid type cationic surfactant include methyl ester, ethyl ester, propyl ester, butyl ester, pentyl ester, hexyl ester, heptyl ester, and octyl ester.
The lower alkyl ester component is usually blended in the form of a salt, specifically, inorganic salts such as hydrochloride, bromate, sulfate, phosphate, glycolate, acetate, lactate, succinic acid. And organic acid salts such as salts, tartrate, citrate, acidic amino acid salt, higher fatty acid salt, pyroglutamate and p-toluenesulfonate. Among these, hydrochloride, L- or DL-pyrrolidone carboxylate, and acidic amino acid salt are preferable.

  The component (A) includes the alkyl quaternary ammonium salt, a quaternary ammonium salt containing at least one ester group in the molecule, the amidoamine surfactant, the amine surfactant, the guanidine derivative, or Among these salts, among the amino acid type cationic surfactants, amidoamine type surfactants and alkyl quaternary ammonium salts are preferable. Amidoamine type surfactants such as dimethylaminopropylamide stearate, behenyltrimethylammonium chloride, stearyl chloride Alkyl quaternary ammonium salts such as trimethylammonium salt are more preferable, and behenyltrimethylammonium chloride is excellent for fingering at the time of rinsing, has a moisturizing and firming effect on hair after drying, and is easy to style. Can finish In particular it preferred.

  There is no restriction | limiting in particular as an acquisition method of the said (A) component, According to the objective, it can select suitably, For example, the method of synthesize | combining, the method of using a commercial item, etc. are mentioned.

  There is no restriction | limiting in particular as content of the said (A) component in the said hair cleaning composition, Although it can select suitably according to the objective, 0.5 mass%-5 mass% are preferable, and after drying The amount of 1% by mass to 4% by mass is more preferable in that it is excellent in the action of imparting a moist feeling to the hair and can be finished into hair that is easy to style. When the content of the component (A) is less than 0.5% by mass or more than 5% by mass, the finger passage during rinsing is deteriorated and the hair after drying cannot be moistened or firm. , Styling may be difficult.

<(B) Long chain aliphatic alcohol>
The number of carbon atoms of the long-chain aliphatic alcohol (hereinafter sometimes referred to as “component (B)”) is not particularly limited and may be appropriately selected depending on the intended purpose, but is 12 or more. Is preferred. These may be used alone or in combination of two or more.
In the hair cleaning composition, the component (B) can form a liquid crystal structure with the component (A) alone.

Examples of the alcohol having 12 or more carbon atoms include long-chain aliphatic alcohols represented by the following general formula (10).
R ₁₃ -OH ··· general formula (10)
In the general formula (10), R ₁₃ represents an aliphatic hydrocarbon group having 12 or more carbon atoms. Among these, R ₁₃ is preferably an aliphatic hydrocarbon group having 12 to 24 carbon atoms, more preferably a linear or branched alkyl group or alkenyl group having 22 carbon atoms, and particularly preferably a linear alkyl group.

Specific examples of the alcohol represented by the general formula (10) include myristyl alcohol, cetyl alcohol, 2-hexyldecyl alcohol, cetostearyl alcohol, stearyl alcohol, isostearyl alcohol, octyldodecyl alcohol, aralkyl alcohol, behenyl alcohol, and curing. Rapeseed oil alcohol, oleyl alcohol, elaidyl alcohol, linoleyl alcohol, carnervir alcohol, seryl alcohol, cholesterol, phytosterol and the like can be mentioned.
Among these, carbon number of cetyl alcohol, stearyl alcohol, behenyl alcohol, etc. is excellent in terms of fingering at the time of rinsing, excellent in moisturizing hair after drying, and can be finished into hair that is easy to style. Alcohols having 16 to 22 linear aliphatic hydrocarbon groups are preferred, and stearyl alcohol and behenyl alcohol are particularly preferred.

  There is no restriction | limiting in particular as an acquisition method of the said (B) component, According to the objective, it can select suitably, For example, the method of synthesize | combining, the method of using a commercial item, etc. are mentioned.

  There is no restriction | limiting in particular as content of the said (B) component in the said hair-cleaning agent composition, Although it can select suitably according to the objective, 1 mass%-10 mass% are preferable, and it is as per instructions at the time of a rinse. 4% by mass to 8% by mass is more preferable because it is excellent in the effect of imparting a moist feeling to the hair after drying, and can be finished into hair that is easy to style. When the content of the component (B) is less than 1% by mass, the fingering at the time of rinsing may deteriorate, and the hair after drying may not be given a moist feeling or firmness. If it exceeds 50%, the hair after drying may become stiff and difficult to style.

  In addition, from the viewpoint of the effect of the present invention, the component (B) is preferably such that the proportion of the alcohol having 22 carbon atoms is 40% by mass or more, and 70% by mass or more with respect to the total amount of alcohol having 12 or more carbon atoms. It is more preferable that When the ratio of the alcohol having 22 carbon atoms is less than 40% by mass with respect to the total amount of alcohol having 12 or more carbon atoms, the separation stability may be deteriorated.

<(B) component / (A) component>
There is no restriction | limiting in particular as mass ratio of the said (A) component and the said (B) component, Although it can select suitably according to the objective, (B) component / (A) component is 1-7. Is preferable, and 1.5 to 6 is more preferable in that it is excellent as a finger during rinsing. If the mass ratio is less than 1, the fingering at the time of rinsing may be poor, and if it exceeds 7, the fingering at the time of rinsing may be poor or styling may be difficult.

<(C) Amphoteric surfactant>
The amphoteric surfactant (hereinafter sometimes referred to as “component (C)”) is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include alkylbetaine-type surfactants and amide betaines. Type active agent, sulfobetaine type active agent, hydroxy sulfobetaine type active agent, amide sulfobetaine type active agent, phosphobetaine type active agent, imidazolinium betaine type active agent, aminopropionic acid type active agent, amino acid type active agent, etc. Is mentioned. These may be used alone or in combination of two or more.
Among these, the (C) component is preferably a betaine surfactant.

The betaine surfactant is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include lauric acid amidopropyl betaine, lauryl dimethylaminoacetic acid betaine, coconut oil fatty acid amidopropyl betaine, and coconut oil fatty acid dimethyl. Examples include aminoacetic acid betaine, laurylhydroxysulfobetaine, 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine.
Among these, lauric acid amidopropyl betaine and lauryl dimethylaminoacetic acid betaine are more preferable because they are excellent in fingering during rinsing and are excellent in moisturizing and firmness after drying.

  The method for obtaining the component (C) is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include a synthesis method and a commercially available method.

  There is no restriction | limiting in particular as content of the said (C) component in the said hair cleaning composition, Although it can select suitably according to the objective, 5 mass%-20 mass% are preferable, and the hair of the time of a rinse is used. 8% by mass to 14% by mass is more preferable in that it is excellent in fingering, excellent in imparting elasticity to hair after drying, and can be finished into hair that is easy to style. When the content of the component (C) is less than 5% by mass, the fingering at the time of rinsing may be poor, or the hair after drying may not be given a moist feeling or firmness. If it exceeds 50%, the hair after drying may become stiff and difficult to style.

<(D) Copolymer comprising at least two monomer units, wherein at least one of the monomer units is acrylic acid, and the molar content of the acrylic acid is 5 mol% to 40 mol%>
The copolymer in the hair cleansing composition of the present invention comprises at least two monomer units, at least one of the monomer units is acrylic acid, and the molar content of the acrylic acid is 5 mol% to 40 mol. % (Hereinafter also referred to as “component (D)”).
The molar content of the acrylic acid is a molar content when the molar content of all monomer units in the component (D) is 100 mol%.
The molar content can also be expressed as a molar ratio. When 100 is used as a reference, the molar ratio of acrylic acid in the component (D) is 5 to 40. When 1 is used as a reference, the molar ratio of acrylic acid in the component (D) is 0.05 to 0.4.

The molar content is not particularly limited as long as it is 5 mol% to 40 mol%, and can be appropriately selected according to the purpose. However, it is excellent in fingering during rinsing, and feels moist on the hair after drying. 5 mol%-35 mol% are preferable at the point which is excellent in the effect | action which provides a tension, and 10 mol%-35 mol% are more preferable. When the molar content is less than 5 mol%, the hair after drying may not be moistened or firm, and when it exceeds 40 mol%, the fingering during rinsing may be poor. The hair after drying cannot be moistened or firm, and styling may be difficult.
In the present invention, the molar ratio of acrylic acid in the component (D) is obtained from the integral value obtained by drying up the component (D) and dissolving in heavy water to perform ¹ H-NMR measurement. Value.

The component (D) is not particularly limited as long as it is a copolymer that satisfies the above conditions, and can be appropriately selected according to the purpose.
Specific examples of the component (D) include acrylic acid / dimethyldiallylammonium chloride copolymer, acrylic acid / methacrylamidopropyltrimethylammonium chloride / acrylamide copolymer, acrylic acid / dimethyldiallylammonium chloride copolymer / acrylamide copolymer. Examples thereof include a polymer and an acrylic acid / 2-hydroxyethylacrylamide copolymer. Among these, the component (D) is an acrylic acid / dimethyldiallylammonium chloride copolymer composed of acrylic acid and dimethyldiallylammonium chloride, because it is excellent in the action of imparting moist feeling to the hair after drying. preferable.

  The method for obtaining the component (D) is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include a synthesis method and a commercially available method.

Specific examples of commercially available products of the component (D) include, under the trade names, MERQUAT280 (molar ratio of acrylic acid: 35), MERQUAT281 (molar ratio of acrylic acid: 35), and MERQUAT280SD (molar ratio of acrylic acid: 35). Acrylic acid / dimethyldiallylammonium chloride copolymer such as MERQUAT295 (acrylic acid molar ratio: 5); MERQUAT2003PR (acrylic acid molar ratio: 10), MERQUAT5300 (acrylic acid molar ratio: 5) and other acrylic acid / Methacrylamidepropyltrimethylammonium chloride / acrylamide copolymer; MERQUAT 3330PR (molar ratio of acrylic acid: 34), PLUS 3330 (molar ratio of acrylic acid: 34), 3330DRY (molar ratio of acrylic acid: 34), MERQUAT P Examples include acrylic acid / dimethyldiallylammonium chloride / acrylamide copolymer (all manufactured by Nalco) such as LUS3331 (molar ratio of acrylic acid: 22.5), 3331PR (molar ratio of acrylic acid: 22.5), and the like. It is done.
Among these, MERQUAT2003PR, MERQUAT280, MERQUAT281, 280SD, and MERQUAT PLUS 3331 are more preferable because they are excellent in the action of imparting a moist feeling to the hair after drying.

  There is no restriction | limiting in particular as content of the said (D) component in the said hair-cleaner composition, Although it can select suitably according to the objective, 0.05 mass%-0.6 mass% are preferable, and it rinses. 0.1 mass%-0.4 mass% are more preferable at the point which is excellent in the fingering at the time, and is excellent in the effect | action which provides the moist feeling and elasticity to the hair after drying. When the content of the component (D) is less than 0.05% by mass or more than 0.6% by mass, the hair after drying cannot be moistened or firm, and styling becomes difficult. There is.

<[(A) component + (B) component] / (D) component>
As a mass ratio of the component (A), the component (B), and the component (D), [(A) component + (B) component] / (D) component is 8 to 200, but is rinsed. 20 to 50 is more preferable in that it is excellent according to the finger of the time, has excellent action of imparting moist and firmness to the hair after drying, and can be finished into hair that is easy to style. When the content ratio is less than 8 or exceeds 200, the fingering at the time of rinsing may deteriorate, the hair after drying may not be moistened or firm, and styling may be difficult. .

<(A) component / (D) component>
As the mass ratio of the component (A) and the component (D), the component (A) / component (D) is 5 to 50, but it is excellent for fingering during rinsing and moisturizes hair after drying. 8-25 are more preferable at the point which is excellent in the effect | action which provides a feeling and elasticity, and can be finished in the hair which is easy to carry out styling. When the content ratio is less than 5 or more than 50, the fingering at the time of rinsing may deteriorate, the hair after drying may not be moistened or firm, and styling may be difficult. .

<(E) Silicone oil, liquid ester oil at room temperature>
There is no restriction | limiting in particular as at least any one of the said silicone oil and ester oil liquid at normal temperature (henceforth "(E) component"), According to the objective, it can select suitably. In addition, in this invention, normal temperature means the range of 15 to 25 degreeC.
It is preferable to add the component (E) to the hair cleansing composition from the viewpoint of further improving the ease of styling.

The viscosity of the component (E) is not particularly limited and may be appropriately selected depending on the intended purpose. The kinematic viscosity at 25 ° C. is preferably 5 million mm ² / s or more, and the hair after drying The thing of 10 million mm < ² > / s or more is especially preferable at the point which provides a moist feeling. These may be used alone or in combination of two or more.

As a method for measuring the kinematic viscosity, for example, it can be measured by the following method.
A toluene solution of silicone having a concentration of 1 g / 100 mL is prepared, and a specific viscosity ηsp at 25 ° C. is obtained by the following formula (1). Next, the intrinsic viscosity [η] is obtained by substituting into the Huggins relational expression shown in the following formula (2). As the Huggins constant, the one described in Nakamuta, Nikka, 77588 [1956] is used. Next, [η] is represented by the following formula (3). Substituting it into the Kololov equation to determine the molecular weight. Finally, M is represented by A. J. et al. The kinematic viscosity η of silicone can be determined by substituting it into the Barry equation.
ηsp = (η / η ₀ ) −1 Formula (1)
ηsp = [η] + K ′ [η] ² Formula (2)
[Η] = 0.215 × 10 ⁻⁴ M ^0.65 (Equation 3)
log η = 1.00 + 0.0123 M ^0.5 (4)
In the formula (1), η ₀ represents the viscosity of toluene, and η represents the viscosity of the solution.
The η ₀ and η are measured in accordance with the Cosmetic Raw Material Standard General Test Method Viscosity Measurement Method Method 1.

The component (E) may be an oil or an emulsion.
There is no restriction | limiting in particular as an emulsifier and the emulsification method at the time of emulsifying the said (E) component, According to the objective, it can select suitably.
There is no restriction | limiting in particular as the acquisition method of the said (E) component, According to the objective, it can select suitably, For example, the method of synthesize | combining, the method of using a commercial item, etc. are mentioned.

-Silicone oil-
Examples of the silicone oil include dimethylpolysiloxane, cyclic silicone, EO-modified silicone, and amino-modified silicone.
The dimethylpolysiloxane is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include trimethylsilyl group-terminated dimethylpolysiloxane and silanol group-terminated dimethylpolysiloxane.
Among these, highly polymerized dimethylpolysiloxane and amino-modified silicone are more preferable because the silicone oil is excellent in the effect of improving the ease of styling.

As a specific example of a commercial product of the silicone oil, the product name is Rheoflow DMS-60 (manufactured by Yushi Kogyo Co., Ltd., dimethyl silicone kinematic viscosity: 10 million (mm ² / s) / 4 million ( mm ² / s) / 1,000 (mm ² / s) = 9/9/42 (mass ratio), manufactured by Yushi Kogyo Co., Ltd.), KM-903 (silicone oil dimethyl silicone kinematic viscosity: 2, Dimethylpolysiloxane such as 50,000,000 mm ² / s, solid content conversion of dimethylsilicone: 60%, manufactured by Shin-Etsu Chemical Co., Ltd .; X-5-2328 (solid content conversion of aminopropyl dimethicone: 12% by mass, Shin-Etsu Chemical Co., Ltd.), X-52-2362 (aminopropyl dimethicone solid content conversion: 12% by mass, Shin-Etsu Chemical Co., Ltd.), KF-8018 (aminopropyl dimethico) Solid content conversion: 10 mass%, manufactured by Shin-Etsu Chemical Co., Ltd.), KF-8018 (aminopropyl dimethicone solid content conversion: 10 mass%, manufactured by Shin-Etsu Chemical Co., Ltd.), KF-8020 (aminopropyl dimethicone solid) Amino-modified silicone such as 20% by mass (made by Shin-Etsu Chemical Co., Ltd.) can be used.

-Liquid ester oil at room temperature-
Specific examples of the ester oil that is liquid at room temperature include propylene glycol dicaprate, propylene glycol monocaprylate, propylene glycol dicaprylate, sorbitan sesquioleate, octyldodecyl lactate, hexyl laurate, myristyl octoate, palmityl octoate, Stearyl octoate, cetyl isooctanoate, isononyl isononanoate, tridecyl isononanoate, isopropyl myristate, butyl myristate, myristyl myristate, 2-octyldodecyl myristate, 2-hexyldecyl myristate, 2-hexyldecyl stearate, palmitate Isopropyl acid, isostearyl palmitate, octyl palmitate, 2-hexyldecyl palmitate, cetyl palmitate, methyl methacrylate Butyl stearate, hexyl stearate, octyl stearate, stearyl stearate, 2-hexyldecyl isostearate, isopropyl isostearate, octyl hydroxystearate, ethyl oleate, oleyl oleate, octyldodecyl oleate, octyl eicosenoate, Lanolin fatty acid isopropyl, lanolin fatty acid octyldodecyl, ethyl linoleate, isopropyl linoleate, dioctyl succinate, diethoxyethyl succinate, diisopropyl adipate, diisopropyl dimer, diethyl sebacate, diisopropyl sebacate, diisostearyl malate, citrate Tri-2-ethylhexyl acid, 2-heptylundecyl adipate, diethoxyethyl succinate, propylheptyl caprylate And the like.
Among these, propyl heptyl caprylate is preferable because it is excellent in the action of further improving the ease of styling.

There is no restriction | limiting in particular as content of the said (E) component in the said hair cleaning composition, Although it can select suitably according to the objective, 0.1 mass%-5 mass% are preferable, and after drying It is more preferably 0.2% by mass to 3% by mass in that it has an effect of imparting a moist feeling to the hair and can further improve the ease of styling. When the content of the component (E) is less than 0.1% by mass, the effect of imparting a moist feeling to the hair after drying may not be sufficient. When it exceeds 5% by mass, styling is easy. May not be further improved.
On the other hand, when the content of the component (E) is within the above preferable range, it is preferable in that the effect of further improving the ease of styling is excellent.

<Other ingredients>
The other components are not particularly limited as long as the effects of the present invention are not impaired, and can be appropriately selected according to the purpose. For example, hydrocarbons such as liquid paraffin and squalane; camellia oil, almond oil, jojoba Vegetable oils such as oil; nonionic surfactants such as polyoxyethylene alkyl ether, glycerin fatty acid ester, sucrose fatty acid ester, polyglycerin fatty acid ester; gallic acid derivatives, amino acids such as glycine, serine, arginine; pyrrolidone carboxylic acid and its salts , Herbal medicines, vitamins, dipotassium glycyrrhizinate, glycyrrhetinic acid and other anti-inflammatory agents; anti-dandruff agents such as piroctone olamine and zinc pyrithione; bactericides such as isopropylmethylphenol and triclosan; solvents such as water, ethanol and propylene glycol; acrylic acid Poly Nonionic polymers such as vinyl pyrrolidone polymers; Cationic polymers such as cationized cellulose and cationized guar gum; Inorganic powders such as anhydrous silica and magnesia silica; Organic powders such as nylon and polyethylene; Examples thereof include various additives such as tar pigments, ultraviolet absorbers, and antioxidants. These may be used alone or in combination of two or more.
There is no restriction | limiting in particular as content of the said other component in the said hair cleaning composition, unless the effect of this invention is impaired, It can select suitably according to the objective.

<PH>
There is no restriction | limiting in particular as pH of the said hair cleaning composition, Although it can select suitably according to the objective, 3-7 are preferable and 4-6 are more preferable. If the pH is less than 3, the skin may be strongly stimulated, and if it exceeds 7, the antiseptic power may be reduced and microorganisms may propagate.
The pH can be measured, for example, according to a cosmetic raw material standard general test method pH measurement method.

<Viscosity>
There is no restriction | limiting in particular as a viscosity in 25 degreeC of the said hair cleaning composition, Although it can select suitably according to the objective, 1,000 mPa * s-6,000 mPa * s are preferable. When the viscosity is less than 1,000 mPa · s, it may be difficult to use because it spills from the hand at the time of use, and when it exceeds 6,000 mPa · s, the dischargeability from the container may deteriorate.
The viscosity at 25 ° C. is, for example, No. 1 at 25 ° C. using a viscometer (eg, BM viscometer, manufactured by TOKIMEC). The measurement can be performed under the conditions of 30 rpm and 20 seconds using a 4-rotor.

<Container>
The hair cleaner composition may be used in a container.
There is no restriction | limiting in particular as said container, According to the objective, it can select suitably, For example, dispensers by mechanical or differential pressure other than tubes, such as an aluminum laminated tube, an EVAL tube, an aluminum tube, and a glass vapor deposition plastic tube Containers and squeeze containers, laminated film containers, dropper containers, stick containers, bottle containers and the like can be mentioned.
The laminated film of the aluminum laminated tube usually has two or more layers, and the material is made of polyethylene, polyethylene terephthalate, polyester, biaxially stretched polypropylene, unstretched polypropylene, polyacrylonitrile, ethylene vinyl acetate copolymer, etc. Consists of resin, paper, aluminum-deposited plastic, etc. In consideration of strength, flexibility, weather resistance, etc., generally two to five layers are used.

  There is no restriction | limiting in particular as a material of the said container, According to the objective, it can select suitably, For example, polyethylene, a polypropylene, a polyethylene terephthalate, a polystyrene, a polyvinyl chloride, an ethylene vinyl alcohol resin, an acrylonitrile styrene resin, ABS Resin, polyamide, glass, etc. are mentioned. These may be used in a single layer or in combination of two or more layers.

<Application>
The hair cleanser composition of the present invention is excellent in fingering at the time of rinsing, can give moist feeling and firmness to the hair after drying, can be further finished into hair that is easy to style, and is excellent in hair quality improving action Therefore, for example, it can be suitably used for a shampoo, a rinse-in shampoo, a treatment-in shampoo or the like that can simultaneously obtain a shampoo effect and a rinse or treatment effect. In particular, it is preferably used for a rinse-in shampoo and a treatment-in shampoo.
In the present invention, the ease of styling is preferably easy to style until the next day after washing with the hair cleansing composition of the present invention.

  EXAMPLES The present invention will be specifically described below with reference to examples of the present invention, but the present invention is not limited to these examples. In the following examples and comparative examples, unless otherwise specified, “%” represents mass%, the ratio represents a mass ratio, and the blending amount of each component in the table represents an amount converted into a pure component. .

(Examples 1 to 28)
According to the compositions and blending amounts shown in Tables 2 to 6 below, rinse-in shampoos of Examples 1 to 28 were prepared by a conventional method.
Specifically, the component (C), the component (D), and other water-soluble components were mixed and dissolved in an 80 ° C. hot water bath to obtain an aqueous phase. Next, component (A), component (B), and other oil-soluble components were mixed and dissolved to obtain an oil phase. The oil phase was added to the aqueous phase and mixed uniformly. Subsequently, citric acid as a pH adjuster was added, and the pH was adjusted to 5.5 while measuring with a pH meter (trade name: HM-30G, manufactured by Toa DKK Corporation) at 25 ° C. Then, the fragrance | flavor was added and it cooled to about 25 degreeC, stirring further.

(Examples 29 to 40)
In Example 1, it changed into the composition and compounding quantity shown in Table 2, and after adjusting pH according to the composition and compounding quantity shown in Tables 7-8, it implemented except having added the (E) component with the fragrance | flavor. The rinse-in shampoos of Examples 29 to 40 were prepared in the same manner as in Example 1.

(Comparative Example 1)
In Example 1, the rinse-in shampoo of the comparative example 1 was prepared by the method similar to Example 1 except not having added (A) component. The composition and blending amount are shown in Table 9.

(Comparative Example 2)
A rinse-in shampoo of Comparative Example 2 was prepared in the same manner as in Example 1 except that the component (B) was not added in Example 1. The composition and blending amount are shown in Table 9.

(Comparative Example 3)
In Example 1, the hair cleaning composition of Comparative Example 3 was prepared in the same manner as in Example 1 except that the component (C) was not added. The composition and blending amount are shown in Table 9.

(Comparative Example 4)
A rinse-in shampoo of Comparative Example 4 was prepared in the same manner as in Example 1 except that the component (D) was not added in Example 1. The composition and blending amount are shown in Table 9.

(Comparative Examples 5, 9, 10)
In Example 1, it changed into the composition and the compounding quantity shown in Table 2, and according to the composition and the compounding quantity shown in Tables 9-10, except having performed pH adjustment, it is the same method as Example 1, and comparative example 5, Nine and ten rinse-in shampoos were prepared.

(Comparative Examples 6-8)
In Example 1, it replaced with (D) component, and (D ') component which is a comparison component of (D) component shown in Table 9 was added similarly to Example 1 except having added the quantity shown in Table 9. The rinse-in shampoo of Comparative Examples 6-8 was prepared by the method.

(Comparative Examples 11 and 12)
In Example 29, in place of the composition and blending amount shown in Table 7, according to the composition and blending amount shown in Table 10, the pH was adjusted according to the same method as in Example 29, and Comparative Examples 11 and 12 were used. A rinse-in shampoo was prepared.

  The copolymers used as the component (D) in Examples 1 to 40 and Comparative Examples 1 to 12 and the component (D ′) used as the comparative component of (D) are shown in Table 1 below.

Moreover, the compounding quantity of the silicone emulsion of (E) component in Tables 7-8 represents the compounding quantity of dimethyl silicone with a kinematic viscosity of 10 million mm ² / s measured by the following method, and aminopropylmethylsiloxane / dimethylsiloxane. The blending amount of the copolymer represents the blending amount of amino gum silicone.

-Kinematic viscosity measurement method-
A toluene solution of silicone having a concentration of 1 g / 100 mL was prepared, and the specific viscosity ηsp at 25 ° C. was determined by the following formula (1). Next, the intrinsic viscosity [η] was determined by substituting it into the Huggins relational expression shown in the following formula (2). As the Huggins constant, the one described in Nakamuta, Nikka, 77588 [1956] was used. Next, [η] is represented by the following formula (3). The molecular weight was determined by substituting it into the Kololov equation. Finally, M is represented by A. J. et al. Substituting it into the Barry equation, the kinematic viscosity η of the silicone was determined.
ηsp = (η / η ₀ ) −1 Formula (1)
ηsp = [η] + K ′ [η] ² Formula (2)
[Η] = 0.215 × 10 ⁻⁴ M ^0.65 (Equation 3)
log η = 1.00 + 0.0123 M ^0.5 (4)
In the formula (1), η ₀ represents the viscosity of toluene, and η represents the viscosity of the solution.
The η ₀ and η are measured in accordance with the Cosmetic Raw Material Standard General Test Method Viscosity Measurement Method Method 1.

  The rinse-in shampoos of Examples 1 to 40 and Comparative Examples 1 to 12 were evaluated according to the following methods for moist feeling, fingering during rinsing, hair firmness after drying, and ease of styling the next day. The results are shown in Tables 2 to 10 below.

<Evaluation of moist feeling>
-Production of damaged hair bundles-
An Asian hair bundle having a length of 30 cm and a mass of 10 g was immersed in a model bleach solution having the following composition in an amount 10 times the amount of the hair bundle (100 mL) at 25 ° C. for 30 minutes. Thereafter, the hair was washed thoroughly with tap water and dried to obtain a “damaged hair bundle”.
[Composition of model bleach solution]
Hydrogen peroxide 6%
Ammonia 3%
Sodium chloride 5%
Sodium hydroxide appropriate amount (adjusted to pH 10.8)
Purified water balance 100%

-Treatment with rinse-in shampoo-
1.0 g of rinse in shampoos of Examples and Comparative Examples are applied to 10 g of the damaged hair bundle using a syringe (trade name: Terumo Syringe, (registered trademark), no needle for tuberculin, 1 mL capacity, manufactured by Terumo Corporation). Then, it was bubbled 60 times in 1 sec / second, then rinsed with running water while being combed 25 times in 1 sec / 2 sec, and then naturally dried. This process was repeated a total of 7 times.

-Evaluation method-
10 expert evaluators of hair-cleaner composition development touched the treated hair bundle and the untreated damaged hair bundle by hand, compared with the untreated damaged hair bundle, The moist feeling was evaluated based on the following evaluation criteria by the number of evaluators who judged that the moist feeling was better.
[Evaluation criteria]
◎: 9 or more ○: 6 to 8 △: 3 to 5 × ×: 2 or less

<Evaluation according to finger during rinsing>
Twenty women in their 20s to 30s who feel that fingering during shampoo rinsing is bad due to chemical treatment damage washes using the rinse-in shampoos of Examples and Comparative Examples, respectively. It was used continuously for 7 days, and a sensory evaluation was performed on the finger passage during the seventh day of rinsing. By this sensory evaluation, the number of evaluators who answered that the fingering during rinsing was good was evaluated according to the following evaluation criteria.
[Evaluation criteria]
◎: 18 or more ◎ ~ ○: 14 ~ 17 ○ ○: 10 ~ 13 △: 5 ~ 9 × ×: 4 or less

<Evaluation of elasticity of hair after drying>
Twenty women in their 20s and 30s who feel that there is no firmness of the hair after drying due to chemical treatment damage, use the rinse-in shampoos of the examples and comparative examples, respectively, and use a hair dryer after washing the hair. Dried. The same operation was continuously performed for 7 days, and sensory evaluation was performed on the elasticity of the hair after drying on the 7th day. By this sensory evaluation, the number of the evaluators who answered that the hair may be firm after drying was evaluated based on the following evaluation criteria.
[Evaluation criteria]
◎: 18 or more ◎ ~ ○: 14 ~ 17 ○ ○: 10 ~ 13 △: 5 ~ 9 × ×: 4 or less

<Evaluation of ease of styling the next day>
Twenty women in their 20s and 30s who feel that styling is difficult to do the next morning due to chemical treatment damage, wash their hair using the rinse-in shampoos of the examples and comparative examples, and dry them with a dryer after washing their hair. It was. The same operation was continuously performed for 7 days, and sensory evaluation was performed on the ease of styling on the morning of the 8th day. By this sensory evaluation, the number of evaluators who answered that styling was easy was evaluated on the ease of styling the next day based on the following evaluation criteria.
[Evaluation criteria]
◎: 18 or more ◎ ~ ○: 14 ~ 17 ○ ○: 10 ~ 13 △: 5 ~ 9 × ×: 4 or less

The raw materials used in Examples and Comparative Examples are shown in Table 11 below.

  The hair cleanser composition of the present invention is excellent in fingering at the time of rinsing, can give moist feeling and firmness to the hair after drying, can be further finished into hair that is easy to style, and is excellent in hair quality improving action Therefore, for example, it can be suitably used for a shampoo, a rinse-in shampoo, a treatment-in shampoo or the like that can simultaneously obtain a shampoo effect and a rinse or treatment effect.

Claims (3)

(A) a cationic surfactant;
(B) a long chain aliphatic alcohol;
(C) an amphoteric surfactant;
(D) a copolymer comprising at least two monomer units, at least one of the monomer units is acrylic acid, and the molar content of the acrylic acid is 5 mol% to 40 mol%;
The mass ratio of the component (A) and the component (B) to the component (D) ([(A) + (B)] / (D)) is 8 to 200, and the (D The hair cleaning composition, wherein the mass ratio of the component (A) to the component (A) / (D) is 5 to 50.   (D) A copolymer comprising at least two monomer units, wherein at least one of the monomer units is acrylic acid, and the molar content of the acrylic acid is 5 mol% to 40 mol%. And a hair cleansing composition according to claim 1, comprising dimethyldiallylammonium chloride.   The hair cleansing composition according to any one of claims 1 to 2, further comprising (E) at least one of silicone oil and ester oil that is liquid at normal temperature.