Hair cleansing composition

A balanced formulation of N-acylglutamate, N-acyl-N-methyl-β-alanine salt, glycerin, and polyglyceryl fatty acid ester in hair wash compositions addresses poor foaming and skin irritation issues, ensuring effective rinsing and refreshing hair feel.

JP7818805B2Active Publication Date: 2026-02-24NATURAL CO LTD
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Patent Information

Application Number
JP2021199305
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-12-08
Publication Date
2026-02-24
Estimated Expiration
2041-12-08

AI Technical Summary

Technical Problem

Conventional hair wash compositions using N-acylamino acid salts provide poor foaming, leave residual foam that feels less refreshing, and cause skin irritation, especially at high concentrations.

Method used

A hair washing composition comprising N-acylglutamate, N-acyl-N-methyl-β-alanine salt, glycerin, and polyglyceryl fatty acid ester, specifically N-cocoyl glutamate, N-cocoyl-N-methyl-β-alanine salt, glycerin, and polyglyceryl laurate, in balanced proportions to enhance foaming, ease of rinsing, and reduce skin irritation.

Benefits of technology

The composition achieves high foaming with easy rinsing, provides a refreshing feel, and minimizes skin irritation while maintaining excellent hair feel after use.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a washing composition that has low stimulation feeling of skin, foams well, and washes away easily when rinsing, has refreshing feeling after washing, and gives excellent touch to hair.SOLUTION: A hair washing composition contains (B) N-acyl-N-methyl-β-alanine salt, (C) glycerol and (D) polyglyceryl laurate together with (A) N-acylglutamate.SELECTED DRAWING: None
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Description

[Technical Field]

[0001] The present invention relates to a hair washing composition. [Background technology]

[0002] Hair washing compositions such as shampoos are desired to have good foaming properties and to have good foam rinsing properties when rinsed off.

[0003] On the other hand, in recent years, shampoos using amino acid surfactants have become popular in line with the trend toward natural products, and hair washing compositions using N-acylamino acid salts have been proposed (Patent Documents 1, 2, and 3). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2016-40237 A [Patent Document 2] International Publication No. 2016 / 067853 [Patent Document 3] JP 2016-74905 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, while hair wash compositions using conventional N-acylamino acid salts cause less skin irritation than those using ether sulfate surfactants, which are the mainstream commercially available products, they have the problem of poor foaming and leaving foam that remains for a long time when rinsing.

[0006] One solution is to increase the concentration of N-acylamino acid salts to improve foaming, but increasing the concentration means that the foam remains for a long time after rinsing, which makes the skin feel less refreshing.

[0007] Furthermore, if the N-acylamino acid salt is used at a high concentration, there is a problem that more than necessary remains on the hair and scalp, resulting in a poor feel.

[0008] To provide a cleansing composition which is less irritating to the skin, foams well, rinses off easily when rinsed off, gives a refreshing feeling after washing, and gives an excellent feeling to the hair. [Means for solving the problem]

[0009] The object of the present invention is to (A) N-Acylglutamate (B) N-Acyl-N-methyl-β-alanine salts (C) Glycerin (D) Polyglyceryl fatty acid ester This can be achieved by a hair washing composition comprising:

[0010] The (A) N-acyl glutamate is preferably N-cocoyl glutamate.

[0011] The blending amount of the (A) N-acyl glutamate is preferably 12.0% by mass to 18.0% by mass based on the total mass of the composition.

[0012] The (B) N-acyl-N-methyl-β-alanine salt is preferably N-cocoyl-N-methyl-β-alanine salt.

[0013] The blending amount of the (B) N-acyl-N-methyl-β-alanine salt is preferably 1.0% by mass to 2.5% by mass based on the total mass of the composition.

[0014] The blending amount of (C) glycerin is preferably 1.0% by mass to 10.0% by mass based on the total mass of the composition.

[0015] The (D) polyglyceryl fatty acid ester is preferably polyglyceryl laurate.

[0016] The blending amount of the (D) polyglyceryl fatty acid ester is preferably 0.1% by mass to 1.0% by mass based on the total mass of the composition. [Effects of the Invention]

[0017] The hair washing composition of the present invention causes little irritation to the skin.

[0018] The hair washing composition of the present invention has high foaming properties. Therefore, the hair washing composition of the present invention can have high foaming properties and can produce rich foam despite the use of an amino acid-derived surfactant.

[0019] Furthermore, the hair washing composition of the present invention can exhibit good foaming properties despite its high foaming ability. For example, the hair washing composition of the present invention has good foaming properties when rinsed off with water, and therefore can provide a refreshing feeling after rinsing with water.

[0020] Furthermore, the hair washing composition of the present invention can give hair an excellent feel after use, for example, the hair after use of the hair washing composition of the present invention has a smooth feel after drying. DETAILED DESCRIPTION OF THE INVENTION

[0021] As a result of extensive research, the present inventors have found that a hair wash composition containing (A) N-acyl glutamate, as well as (B) N-acyl-N-methyl-β-alanine salt, (C) glycerin, and (D) polyglyceryl laurate, has low skin irritation, foams well, rinses off easily when rinsing, leaves a refreshing feeling after washing, and imparts an excellent feel to the hair, thereby completing the present invention.

[0022] Thus, the hair washing composition of the present invention comprises: (A) N-Acylglutamate (B) N-Acyl-N-methyl-β-alanine salts (C) Glycerin (D) Polyglyceryl fatty acid ester Includes.

[0023] Each component will be described in detail below.

[0024] [N-Acylglutamate] The composition of the present invention contains (A) an N-acyl glutamate. One type of salt may be used, or two or more types of salts may be used in combination.

[0025] (A) The N-acyl glutamate may be an inorganic salt such as a sodium salt or a potassium salt, but an organic salt such as a triethanolamine salt is preferred.

[0026] (A) Examples of the alkyl group of the acyl group of N-acyl glutamate include C6 to C 22 Alkyl groups are more preferred, and C8 to C 18 Alkyl groups are preferred.

[0027] (A) It is preferred that the N-acyl glutamate is N-cocoyl glutamate.

[0028] (A) As the N-acyl glutamate, commercially available products may be used, such as "Amisoft CT-12S" manufactured by Ajinomoto Co., Inc. and "Aminosurfact ACMT-L" manufactured by Asahi Kasei Finechem Co., Ltd.

[0029] The amount of (A) N-acyl glutamate in the composition of the present invention is preferably 9.0% by mass to 21.0% by mass, more preferably 10.0% by mass to 20.0% by mass, and even more preferably 12.0% by mass to 18.0% by mass, based on the total mass of the composition.

[0030] [N-Acyl-N-methyl-β-alanine salts] The composition of the present invention contains (B) an N-acyl-N-methyl-β-alanine salt. One type of N-acyl-N-methyl-β-alanine salt may be used, or two or more types of N-acyl-N-methyl-β-alanine salts may be used in combination.

[0031] (B) N-acyl-N-methyl-β-alanine salt is an anionic surfactant obtained by acylation of N-methyl-β-alanine.

[0032] (B) The N-acyl-N-methyl-β-alanine salt is preferably an N-cocoyl-N-methyl-β-alanine salt.

[0033] (B) As the N-acyl-N-methyl-β-alanine salt, a commercially available product may be used, for example, "Alanon ACE" manufactured by Kawaken Fine Chemicals Co., Ltd.

[0034] The amount of (B) N-acyl-N-methyl-β-alanine salt in the composition of the present invention is preferably 0.5% by mass to 3.5% by mass, more preferably 0.75% by mass to 3.0% by mass, and even more preferably 1.0% by mass to 2.5% by mass, based on the total mass of the composition.

[0035] [Glycerin] The composition of the present invention contains (C) glycerin.

[0036] (C) Glycerin may be a commercially available product, for example, "Concentrated Glycerin for Cosmetics" manufactured by Sakamoto Pharmaceutical Industry Co., Ltd.

[0037] The amount of (C) glycerin in the composition of the present invention is preferably 0.3 mass % to 11.3 mass %, more preferably 1.0 mass % to 10.0 mass %, and even more preferably 1.3 mass % to 7.3 mass %, based on the total mass of the composition.

[0038] [Polyglyceryl fatty acid ester] The composition of the present invention contains (D) a polyglyceryl fatty acid ester. One type of polyglyceryl fatty acid ester may be used, or two or more types of polyglyceryl fatty acid esters may be used in combination.

[0039] (D) The polyglyceryl fatty acid ester can have a polyglycerol moiety derived from 2 to 10 glycerols, more preferably 2 to 8 glycerols, and even more preferably 2 to 6 glycerols.

[0040] (D) The polyglyceryl fatty acid ester may have an HLB (hydrophilic-lipophilic balance) value of 3.5 to 14.0, preferably 4.0 to 10.0, and more preferably 4.5 to 6.0. When two or more polyglyceryl fatty acid esters are used, the HLB value is determined by the mass (weight) average of the HLB values ​​of all the polyglyceryl fatty acid esters.

[0041] (D) The polyglyceryl fatty acid ester can be selected from mono-, di-, and triesters of saturated or unsaturated, preferably saturated, acids containing 2 to 30 carbon atoms, preferably 6 to 24 carbon atoms, and more preferably 8 to 18 carbon atoms, such as the mono-, di-, and triesters of lauric acid, oleic acid, stearic acid, isostearic acid, capric acid, caprylic acid, and myristic acid. Monoesters are preferred.

[0042] (D) Polyglyceryl fatty acid esters include, for example, PG2 caprylate, PG2 sesquicaprylate, PG2 dicaprylate, PG2 tricaprylate, PG2 caprate, PG2 sesquicaprate, PG2 dicaprate, PG2 tricaprate, PG2 laurate, PG2 sesquilaurate, PG2 dilaurate, PG2 trilaurate, PG2 myristate, PG2 sesquimyristate, PG2 dimyristate, PG2 trimyrstate, PG2 stearate, PG2 sesquistearate, PG2 distearate, PG2 tristearate, and isostearic acid. PG2, PG2 sesquiisostearate, PG2 diisostearate, PG2 triisostearate, PG2 oleate, PG2 sesquioleate, PG2 dioleate, PG2 trioleate, PG3 caprylate, PG3 sesquicaprylate, PG3 dicaprylate, PG3 tricaprylate, PG3 caprate, PG3 sesquicaprate, PG3 dicaprate, PG3 tricaprate, PG3 laurate, PG3 sesquilaurate, PG3 dilaurate, PG3 trilaurate, PG3 myristic acid, PG3 sesquimyristic acid, PG3 dimyristic acid, PG3 tri PG3 myristate, PG3 stearate, PG3 sesquistearate, PG3 distearate, PG3 tristearate, PG3 isostearate, PG3 sesquiisostearate, PG3 diisostearate, PG3 triisostearate, PG3 oleate, PG3 sesquioleate, PG3 dioleate, PG3 trioleate, PG4 caprylate, PG4 sesquicaprylate, PG4 dicaprylate, PG4 tricaprylate, PG4 caprate, PG4 sesquicaprate, PG4 dicaprate, PG4 tricaprate, PG4 laurate, sesqui PG4 laurate, PG4 dilaurate, PG4 trilaurate, PG4 myristic acid, PG4 sesquimyristic acid, PG4 dimyristic acid, PG4 trimyristate, PG4 stearate, PG4 sesquistearate, PG4 distearate, PG4 tristearate, PG4 isostearate, PG4 sesquiisostearate, PG4 diisostearate, PG4 triisostearate, PG4 oleate, PG4 sesquioleate, PG4 dioleate, PG4 trioleate, PG5 caprylic acid, PG5 sesquicaprylic acid, PG5 dicaprylic acid,PG5 tricaprylate, PG5 tetracaprylate, PG5 caprate, PG5 sesquicaprate, PG5 dicaprate, PG5 tricaprate, PG5 tetracaprate, PG5 laurate, PG5 sesquilaurate, PG5 dilaurate, PG5 trilaurate, PG5 tetralaurate, PG5 myristic acid, PG5 sesquimyristic acid, PG5 dimyristic acid, PG5 trimyristic acid, PG5 tetramyristic acid, PG5 stearate, PG5 sesquistearate, PG5 distearate, PG5 tristearate, PG5 tetrastearate , PG5 Isostearate, PG5 Sesquiisostearate, PG5 Diisostearate, PG5 Triisostearate, PG5 Tetraisostearate, PG5 Oleate, PG5 Sesquioleate, PG5 Dioleate, PG5 Trioleate, PG5 Tetraoleate, PG6 Caprylate, PG6 Sesquicaprylate, PG6 Dicaprylate, PG6 Tricaprylate, PG6 Tetracaprylate, PG6 Pentacaprylate, PG6 Caprate, PG6 Sesquicaprate, PG6 Dicaprate, PG6 Tricaprate, PG6 Tetracaprate, Pentacaprylate PG6 phosphate, PG6 laurate, PG6 sesquilaurate, PG6 dilaurate, PG6 trilaurate, PG6 tetralaurate, PG6 pentalaurate, PG6 myristic acid, PG6 sesquimyristic acid, PG6 dimyristic acid, PG6 trimyristic acid, PG6 tetramyristic acid, PG6 pentamyristic acid, PG6 stearate, PG6 sesquistearate, PG6 distearate, PG6 tristearate, PG6 tetrastearate, PG6 pentastearate, PG6 isostearate, PG6 sesquiisostearate, diisostearyl PG6 oleate, PG6 triisostearate, PG6 tetraisostearate, PG6 pentaisostearate, PG6 oleate, PG6 sesquioleate, PG6 dioleate, PG6 trioleate, PG6 tetraoleate, PG6 pentaoleate, PG10 caprylate, PG10 sesquicaprylate, PG10 dicaprylate, PG10 tricaprylate, PG10 tetracaprylate, PG10 pentacaprylate, PG10 hexacaprylate, PG10 caprate, PG10 sesquicaprate, PG10 dicaprate, PG10 tricaprate,PG10 Tetracaprate, PG10 Pentacaprate, PG10 Hexacaprate, PG10 Laurate, PG10 Sesquilaurate, PG10 Dilaurate, PG10 Trilaurate, PG10 Tetralaurate, PG10 Pentalaurate, PG10 Hexalaurate, PG10 Myristic Acid, PG10 Sesquimyristic Acid, PG10 Dimyristic Acid, PG10 Trimyristic Acid, PG10 Tetramyristic Acid, PG10 Pentamyristic Acid, PG10 Hexamyristic Acid, PG10 Stearic Acid, PG10 Sesquistearate, PG10 Distearate, Tristearic Acid The glycerin may be selected from the group consisting of PG10 phosphate, PG10 tetrastearate, PG10 pentastearate, PG10 hexastearate, PG10 isostearate, PG10 sesquiisostearate, PG10 diisostearate, PG10 triisostearate, PG10 tetraisostearate, PG10 pentaisostearate, PG10 hexaisostearate, PG10 oleate, PG10 sesquioleate, PG10 dioleate, PG10 trioleate, PG10 tetraoleate, PG10 pentaoleate, and PG10 hexaoleate. Note that "PG" means polyglyceryl.

[0043] (D) The polyglyceryl fatty acid ester is preferably polyglyceryl laurate. Polyglyceryl laurate is a monoester of lauric acid and a glycerin polymer. The polyglyceryl moiety can be, for example, a monomer to a decamer, but is preferably a monomer to a pentamer, and particularly preferably a monoester of lauric acid and diglycerin (polyglyceryl-2 laurate).

[0044] Polyglyceryl-2 laurate may be commercially available, for example, "Sunsoft Q-12D-C" manufactured by Taiyo Kagaku Co., Ltd.

[0045] The amount of (D) polyglyceryl fatty acid ester in the composition of the present invention is preferably 0.03 mass % to 1.20 mass %, more preferably 0.1 mass % to 1.0 mass %, and even more preferably 0.23 mass % to 0.63 mass %, based on the total mass of the composition.

[0046] [Optional ingredients] The compositions of the present invention may include water.

[0047] The amount of water in the composition of the present invention is preferably 10% by mass to 60% by mass, more preferably 15% by mass to 55% by mass, and even more preferably 20% by mass to 50% by mass, based on the total mass of the composition.

[0048] The compositions of the present invention may also contain other optional ingredients.

[0049] Other optional components include, for example, polyhydric alcohols other than component (C), cationic polymers such as cationized cellulose; fatty acid diethanolamides; liquid oils and fats; hydrocarbons; higher fatty acids; higher monohydric alcohols; esters; anionic surfactants (other than components (A), (B), and (D)), cationic surfactants, amphoteric surfactants, nonionic surfactants; moisturizers; film-forming agents; sequestering agents; lower monohydric alcohols; sugars; amino acids; organic amines; pH adjusters such as alkaline agents (e.g., inorganic alkaline agents such as metal hydroxides such as sodium hydroxide and potassium hydroxide); skin nutrients; vitamins; antioxidants; fragrances; pigments; dyes, etc.

[0050] The polyhydric alcohol other than component (C) may be any of the components commonly used in hair wash compositions, including, for example, glycols, which are dihydric alcohols. Examples of glycols include ethylene glycol, propanediol (trade name: Zemea Select Propanediol, manufactured by DuPont), 1,3-butylene glycol (trade name: 1,3-butylene glycol, manufactured by Daicel Chemical Industries, Ltd.), (trade name: High Sugar Cane BG, manufactured by Kokyu Alcohol Kogyo Co., Ltd.), and (trade name: 1,3-butanediol, manufactured by IMCD Japan LLC).

[0051] As the cationized cellulose, components that are commonly used in hair washing compositions can be used, such as "Poise C-150L" manufactured by Kao Corporation.

[0052] As the fatty acid diethanolamide, a component that is commonly used in hair washing compositions can be used, for example, "Amizol CDE" manufactured by Kawaken Fine Chemicals Co., Ltd. [Example]

[0053] The present invention will be described in more detail below using examples and comparative examples, but the scope of the present invention is not limited to the examples.

[0054] [Examples 1 to 9 and Comparative Example 1] (preparation) The hair wash compositions of Examples 1 to 9 and Comparative Example 1 shown in Table 1 were prepared by mixing the components shown in Table 1.

[0055] The amounts of (A) N-acyl glutamate and (B) N-acyl-N-methyl-β-alanine salt were varied, while the amounts of (C) glycerin and (D) polyglyceryl fatty acid ester were kept constant. In Table 1, "TEA-cocoyl glutamate (30 wt%)" is a representative example of (A) N-acyl glutamate, and "Na-cocoyl methyl alanine (25 wt%)" is a representative example of (B) N-acyl-N-methyl-β-alanine salt. Amizol CDE-G (manufactured by Kawaken Fine Chemicals Co., Ltd.) was used as cocamide DEA.

[0056] The numerical values ​​relating to the amounts of components shown in Table 1 are based on the weight (mass) percentage of the pure content, except for those in parentheses, in which case the value in parentheses is the pure content. The "balance" of "purified water" means that all of the components in the hair wash composition other than those shown in Table 1 are purified water.

[0057] [Table 1]

[0058] (sensory evaluation) Each of the compositions of Examples 1 to 9 and Comparative Example 1 was evaluated by sensory evaluation. The evaluation method was as follows.

[0059] Ten female panelists with normal, semi-long hair were given 5 g of each of the compositions of Examples 1 to 9 and Comparative Example 1, which were then hand-combed 20 times. The hair was then left for 10 minutes, rinsed with tap water 10 times, and then dried with a hair dryer. This procedure was repeated every time the patient bathed for three days. Each panelist evaluated the lathering during shampooing, the feeling of lather rinsing, the refreshing feeling after rinsing, the smooth feeling after drying, and the irritation of the skin according to the following criteria:

[0060] (A) Foaming when washing hair Very good foaming 5 points Good foaming: 4 points Normal foaming: 3 points Not much foaming 2 points No foaming at all: 1 point (a) Lather disappears when rinsing Very good foam rinsing sensation 5 points Good foam-rinse feeling: 4 points Average foam loss: 3 points The foam doesn't rinse off very well (2 points) The foam doesn't completely disappear 1 point (C) Refreshing feeling when rinsing Very refreshing 5 points Refreshing feeling 4 points Refreshing feeling: Average 3 points Slimy feeling 2 points Very slimy feeling 1 point (D) Smoothness after drying Very smooth feeling 5 points Very smooth feeling 4 points Smooth feeling 3 points Not very smooth 2 points No smooth feeling at all 1 point (E) Irritation to the skin No irritation at all 5 points Almost no irritation felt: 4 points Not much stimulation felt 3 points Slight irritation: 2 points I feel a sense of irritation 1 point

[0061] Then, based on the average value of the evaluations of all the panels, a comprehensive evaluation was made in accordance with the following criteria. Average rating of all panels comprehensive evaluation Average value is 4.0 or above ◎ Average value is 3.0 or more and less than 4.0 ○ Average value is 2.0 or more and less than 3.0 △ Average value is less than 2.0 ×

[0062] The results are shown in Table 2.

[0063] [Table 2]

[0064] (result) It can be seen that the compositions of Examples 1 to 9 are less irritating to the skin than the composition of Comparative Example 1. Furthermore, the compositions of Examples 1 to 9 lather well, rinse off easily, leave a refreshing feeling after washing, and can impart an excellent feel to hair.

[0065] The composition of Example 1 contains less TEA-cocoyl glutamate and sodium cocoyl methylalanine than the other Examples, so it is slightly inferior to the other Examples in terms of foaming.In addition, the compositions of Examples 7 to 9 contain more TEA-cocoyl glutamate than the other Examples, so they are slightly inferior to the other Examples in terms of foam rinsing and refreshing feeling.

[0066] [Examples 10 to 17] (preparation) The hair washing compositions of Examples 10 to 17 shown in Table 3 were prepared by mixing the components shown in Table 3.

[0067] The amounts of (C) glycerin and (D) polyglyceryl fatty acid ester were varied, while the amounts of (A) N-acyl glutamate and (B) N-acyl-N-methyl-β-alanine salt were kept constant. In Table 3, "TEA-cocoyl glutamate (30 wt%)" is a representative example of (A) N-acyl glutamate, and "Na-cocoyl methyl alanine (25 wt%)" is a representative example of (B) N-acyl-N-methyl-β-alanine salt. Amizol CDE-G (manufactured by Kawaken Fine Chemicals Co., Ltd.) was used as cocamide DEA.

[0068] The numerical values ​​for the amounts of ingredients shown in Table 3 are based on the weight (mass) percentage of the pure content, except for those in parentheses, in which case the value in parentheses is the pure content. Note that the "balance" of "purified water" means that all of the components in the hair wash composition other than those shown in Table 1 are purified water.

[0069] [Table 3]

[0070] (sensory evaluation) Each of the compositions of Examples 10 to 17 was evaluated by sensory evaluation. The evaluation method was as described above. The results are shown in Table 4. Table 4 also lists the results of Example 5.

[0071] [Table 4]

[0072] (result) It can be seen that the compositions of Examples 10 to 17 also cause less irritation to the skin. Furthermore, the compositions of Examples 10 to 17 also foam well, rinse off easily, leave a refreshing feeling after washing, and can impart an excellent feel to hair.

[0073] The composition of Example 10 contains less glycerin and polyglyceryl-2 laurate than the other Examples, so it is slightly inferior to the other Examples in terms of foam breakdown and smooth feeling after drying.In addition, the composition of Examples 15 to 17 contains more glycerin than the other Examples, so it is slightly inferior to the other Examples in terms of foaming, refreshing feeling after washing, and smooth feeling after drying.

[0074] [evaluation] It has been found that a hair wash composition containing N-acyl glutamate, N-acyl-N-methyl-β-alanine salt, glycerin, and polyglyceryl fatty acid ester has low skin irritation, foams well, rinses off easily when rinsed off, leaves a refreshing feeling after washing, and gives hair an excellent feel.

[0075] Furthermore, when a relatively small amount (1.0% by mass to 2.5% by mass, based on the total mass of the composition) of N-acyl-N-methyl-β-alanine salt is used in combination with 12.0% by mass to 18.0% by mass, based on the total mass of the composition, better foaming is achieved, and the foam rinses off more easily upon rinsing, resulting in an even more excellent feel for the hair after washing.

[0076] Furthermore, when 1.0% by mass to 10.0% by mass of glycerin, based on the total mass of the composition, is used in combination with 0.1% by mass to 1.0% by mass of a polyglyceryl fatty acid ester, based on the total mass of the composition, better foaming is achieved, and the foam rinses off more easily upon rinsing, resulting in an even more excellent feel for the hair after washing.

Claims

1. (A) N-acyl glutamate (B) N-acyl-N-methyl-β-alanine salt (C) Glycerin (D) Polyglyceryl fatty acid ester A hair washing composition comprising: the amount of the N-acyl glutamate (A) is 12.0% by mass to 18.0% by mass, based on the total mass of the composition; the amount of the N-acyl-N-methyl-β-alanine salt (B) is 1.0% by mass to 2.5% by mass based on the total mass of the composition; the amount of the (C) glycerin is 1.0% by mass to 10.0% by mass based on the total mass of the composition, A hair wash composition, wherein the amount of the (D) polyglyceryl fatty acid ester is 0.1% by mass to 1.0% by mass, based on the total mass of the composition.

2. 2. The hair wash composition according to claim 1, wherein the N-acyl glutamate (A) is N-cocoyl glutamate.

3. 3. The hair wash composition according to claim 1, wherein the amount of the N-acyl glutamate (A) is 12.0% by mass to 15.0% by mass, based on the total mass of the composition.

4. 4. The hair wash composition according to claim 1, wherein the N-acyl-N-methyl-β-alanine salt (B) is an N-cocoyl-N-methyl-β-alanine salt.

5. 5. The hair wash composition according to claim 1, wherein the amount of the (C) glycerin is 1.3% by mass to 7.3% by mass, based on the total mass of the composition.

6. 6. The hair wash composition according to claim 1, wherein the polyglyceryl fatty acid ester (D) is polyglyceryl laurate.

7. 7. The hair wash composition according to claim 1, wherein the amount of the polyglyceryl fatty acid ester (D) is 0.23% by mass to 0.63% by mass, based on the total mass of the composition.

Citation Information

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