Detergent composition

Abstract

The present invention provides a detergent composition that exhibits excellent stability over time, particularly in inhibiting precipitation under low-temperature conditions, and in dispensing from foaming containers, as well as excellent foam retention and smoothness of the skin after use. [Solution] The following components (A) to (D); (A) 1-8% by mass of N-acyl glutamic acid or its salt (B) 1 to 10% by mass of N-acylmethylalanine or its salt (C) Hydroxysulfobetaine-type surfactant in 1 to 10% by mass (D) At least one selected from the group consisting of glycerin and polyethylene glycol with a number average molecular weight of 10,000 or less. A detergent composition containing the following:

Description

[Technical Field]

[0001] This invention relates to a detergent composition. [Background technology]

[0002] Traditionally, cleaning products (compositions) such as shampoos, body washes, hand soaps, and facial cleansers, as well as household detergents for dishes and clothing, and daily necessities such as mouthwashes and toothpaste, contain various surfactants, including nonionic, anionic, and amphoteric surfactants. These surfactants are selected or used in combination depending on their purpose and application, based on their functions such as cleaning power, viscosity suitable for foaming and use, and properties such as how easily hair feels when rinsing.

[0003] Until now, in the field of cosmetics, sulfate-based and olefin sulfonate-based anionic surfactants, which have high foaming and cleansing properties as well as appropriate viscosity, have been widely used. However, in recent years, with the growing interest in scalp and skin care, cosmetics using amino acid-based surfactants, which are less irritating than anionic surfactants, have become popular, and the development of cosmetics labeled as "sulfate-free" is also progressing.

[0004] Amino acid-based surfactants are less irritating than conventional anionic surfactants, as they have a cleansing effect without damaging the skin or hair. Furthermore, because they are manufactured using natural raw materials, they are considered useful as environmentally friendly and sustainable surfactants. Technologies for detergent compositions using amino acid-based surfactants have been investigated to date. For example, skin cleansing compositions (see, for example, Patent Document 1) containing at least one selected from specific fatty acid salts, 2-ethylhexylglyceryl ether, and fatty acid esters having fatty acid residues with 4 to 10 carbon atoms, along with an N-acyl amino acid-based surfactant, in specific content and ratios have been proposed. Low-viscosity liquid detergents (see, for example, Patent Document 2) containing N-acyl acidic amino acids or their salts, N-acyl neutral amino acids or their salts, and amphoteric surfactants have also been proposed.

[0005] As described above, there is a need to develop new detergent compositions using amino acid-based surfactants that maintain conventional functions while considering factors such as irritation and environmental impact. [Prior art documents] [Patent Documents]

[0006] [Patent Document 1] Japanese Patent Publication No. 2014-231481 [Patent Document 2] Brochure for International Application No. 2020-158838 [Overview of the project] [Problems that the invention aims to solve]

[0007] However, while the technology described in Patent Document 1 was excellent in terms of foam retention, it sometimes lacked sufficient suppleness on the skin after use and stability over time. Furthermore, in the detergent composition containing specific amounts of N-acyl glutamic acid or its salt and N-acyl methylalanine or its salt, concerns about precipitation over time (generation of precipitates) and poor dispensing from foaming containers were not addressed. While the technology described in Patent Document 2 exhibits excellent low-temperature stability, it sometimes results in insufficient skin suppleness after use. Furthermore, concerns regarding long-term stability in cleansing compositions containing specific amounts of N-acyl glutamic acid or its salt and N-acyl methylalanine or its salt were not addressed.

[0008] Therefore, the present invention aims to provide a detergent composition that contains specific amounts of N-acyl glutamic acid or a salt thereof, N-acylmethylalanine or a salt thereof, and a hydroxysulfobetaine-type surfactant having a specific structure, and further contains at least one selected from the group consisting of glycerin and polyethylene glycol with a number average molecular weight of 10,000 or less, which has excellent long-term stability and also has excellent foam retention and after-skin suppleness. [Means for Solving the Problems]

[0009] As a result of various studies on the development of a detergent composition having excellent foaming properties and smoothness of the skin after washing using an amino acid-based surfactant, the present inventors have found that by combining N-acylglutamic acid or its salt, or N-acylmethylalanine or its salt with a hydroxysulfobetaine-type surfactant having a specific structure, a detergent composition excellent in smoothness of the skin after washing can be obtained. However, there remained a problem in foaming because it liquefied immediately after discharge. In addition, in order to achieve both good foaming and smoothness of the skin after washing, various studies were conducted, and in a detergent composition containing N-acylglycine or its salt, or a detergent composition containing specific amounts of N-acylglutamic acid or its salt and N-acylmethylalanine or its salt, there were cases where precipitates occurred over time or poor discharge occurred when filling the former container, and there was room for improvement. Therefore, as a result of further intensive studies, a detergent composition containing specific amounts of N-acylglutamic acid or its salt, N-acylmethylalanine or its salt, and a hydroxysulfobetaine-type surfactant having a specific structure, and further containing at least one selected from the group consisting of glycerin and polyethylene glycol having a number average molecular weight of 10,000 or less was obtained. By doing so, concerns about precipitation over time and poor discharge from the former container were improved, and a detergent composition having excellent stability was obtained. Furthermore, the present inventors have found that the composition is also excellent in foaming properties and smoothness of the skin after washing, and have completed the present invention.

[0010] That is, the present invention is as follows. [1] The following components (A) to (D); (A) 1 to 8% by mass of N-acylglutamic acid or its salt (B) 1 to 10% by mass of N-acylmethylalanine or its salt (C) 1 to 10% by mass of a hydroxysulfobetaine-type surfactant represented by the formula (1) or the formula (2) (D) At least one selected from the group consisting of glycerin and polyethylene glycol having a number average molecular weight of 10,000 or less Containing, It is a detergent composition to be filled in a former container and used. JPEG2026109534000002.jpg2177(In formula (1), R 1 represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, and R 2 and R 3 each independently represent a methyl group or an ethyl group.) JPEG2026109534000003.jpg21104(In formula (2), R 4 represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, and R 5 represents an alkyl group having 1 to 3 carbon atoms, and R 6 and R 7 each independently represent a methyl group or an ethyl group.) [2] The following components (A) to (D); (A) 1 to 8% by mass of N-acylglutamic acid or its salt (B) 1 to 10% by mass of N-acylmethylalanine or its salt (C) 1 to 10% by mass of a hydroxysulfobetaine type surfactant represented by formula (1) or formula (2) (D) At least one selected from the group consisting of glycerin and polyethylene glycol having a number average molecular weight of 10,000 or less containing It is a detergent composition with a transparent appearance. JPEG2026109534000004.jpg2177(In formula (1), R 1 represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, and R 2 and R 3 each independently represent a methyl group or an ethyl group.) JPEG2026109534000005.jpg21104(In formula (2), R 4 represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, and R 5 represents an alkyl group having 1 to 3 carbon atoms, and R 6 and R 7 each independently represent a methyl group or an ethyl group.) [3] The detergent composition according to [1] or [2], wherein component (D) contains at least glycerin, and the glycerin content is 5 to 25% by mass of the total amount of the composition. [4] The detergent composition according to [1] or [2], wherein the mass ratio (B) / (C) of component (B) to component (C) is 0.2 to 4. [5] The detergent composition according to [1] or [2] above, wherein the molecular weight of component (C) is 500 or less. [6] The polyethylene glycol of component (D) is at least one selected from the group consisting of polyethylene glycol with a number average molecular weight of 300 to 600, polyethylene glycol with a number average molecular weight of 800 to 2,000, and polyethylene glycol with a number average molecular weight of 7,000 to 10,000. When polyethylene glycol with a number average molecular weight of 300 to 600 is included, the content is 5 to 25% by mass of the total amount of the composition. When polyethylene glycol with a number average molecular weight of 800 to 2,000 is included, the content is 2 to 10% by mass of the total composition. The detergent composition according to [1] or [2] above, wherein, if it contains polyethylene glycol with a number average molecular weight of 7,000 to 10,000, the content is 1 to 5% by mass of the total amount of the composition. [7] The detergent composition described in [1] or [2] above, which substantially does not contain N-acylglycine or a salt thereof.

[0011] In the present invention, the following may be further adopted. [8] The detergent composition according to [1] or [2] above, wherein component (A) is cocoyl glutamic acid or a salt thereof. [9] The detergent composition according to [1] or [2] above, wherein component (B) is lauroyl methylalanine or a salt thereof.

[10] The detergent composition according to [1] or [2], wherein the component (C) is lauroyl hydroxysultaine.

[11] The detergent composition according to [1] or [2] above, wherein component (D) is glycerin.

[12] The detergent composition according to [1] or [2], wherein the mass ratio of the total amount of component (A) and component (B) to component (C) {(A)+(B)} / (C) is 0.8 to 9.

[13] The detergent composition according to [1] or [2] above, wherein the pH at 25°C is 5.0 to 6.5.

[14] The detergent composition described in [1] or [2] above, which substantially does not contain sulfate-based surfactants and / or olefin sulfonate-based surfactants.

[15] The detergent composition described in [1] or [2] above, which substantially does not contain fatty acid salts.

[16] The cleansing agent composition described in [1] or [2] above is a cosmetic for cleansing the skin.

[17] The cleansing composition described in

[16] above is a cleansing agent and / or facial wash, wherein the skin cleansing cosmetic is a cleansing agent and / or facial wash.

[18] In producing the detergent composition described in [1] or [2] above, the method involves using component (C) to suppress the generation of aggregates in a composition containing components (A), (B), and (D). [Effects of the Invention]

[0012] According to the present invention, it is possible to provide a detergent composition that exhibits excellent stability over time, and is particularly excellent in inhibiting precipitation under low-temperature conditions and in dispensing from a foaming container. According to the present invention, it is possible to provide a cleansing agent composition that is excellent in terms of foam retention and the suppleness of the skin after use. [Brief explanation of the drawing]

[0013] [Figure 1] This is a photograph of the appearance of the cleaning agent composition of Example 1. [Figure 2] This is a photograph of the appearance of the detergent composition of Comparative Example 6. [Figure 3] This is a microscopic image of the cleaning agent composition of Comparative Example 6. [Best Mode for Carrying Out the Invention]

[0014] The following describes preferred embodiments for carrying out the present invention. The embodiments described below are merely examples of representative embodiments of the present invention and should not be interpreted as narrowing the scope of the invention. Furthermore, the present invention is not limited to the embodiments described below. In this specification, "X~Y" indicating a range includes X and Y and means "X or greater and Y or less".

[0015] <Component (A): N-acyl glutamic acid or its salt> The component (A) N-acylglutamic acid or its salt used in this embodiment is formed by acylation of a long-chain fatty acid and glutamic acid, and is either N-acylglutamic acid having two carboxyl groups in its molecule or N-acylglutamic acid with a counterion present. That is, it is sufficient that the pH value is higher than the pKa value of N-acylglutamic acid, and it is preferable that it is neutralized using an alkali. The hydrocarbon group of the long-chain fatty acid is not particularly limited, but preferably has 8 to 22 carbon atoms, and more preferably 12 to 18 carbon atoms. The fatty acid can be a straight-chain or branched-chain fatty acid derived from saturated or unsaturated fatty acids. More specifically, examples of fatty acids include caprylic acid, capric acid, lauric acid, myristic acid, stearic acid, isostearic acid, palmitic acid, oleic acid, linoleic acid, behenic acid, coconut oil fatty acid, palm fatty acid, etc. One of these may be used, or two or more selected from the above group may be used in combination. In this embodiment, lauric acid and coconut oil fatty acids are more preferred from the viewpoint of precipitation suppression effect, discharge from the foamer container, good foam retention, and smoothness of the skin after use, with coconut oil fatty acids being even more preferred. Specifically, examples include lauroyl glutamic acid or its salts, cocoyl glutamic acid or its salts.

[0016] Furthermore, component (A) is preferably in the form of a salt, and as mentioned above, it is sufficient if a counterion is present, but it may also be neutralized with an alkali beforehand, and it is even possible to obtain a neutralized salt form by adding an alkali during the manufacturing process of the detergent composition. The neutralization rate is not particularly limited, and it may contain some N-acyl glutamic acid, but the neutralization rate is preferably 80% or more, more preferably 90% or more, even more preferably 95% or more, and particularly preferably 99% or more.

[0017] Such salts are not particularly limited and include, for example, alkali metal salts such as sodium and potassium, alkaline earth metal salts such as calcium and magnesium, inorganic salts such as aluminum and zinc, or organic amines such as ammonia, monoethanolamine, diethanolamine, and triethanolamine, or organic salts of basic amino acids such as arginine and lysine. One of these may be used, or two or more selected from the above group may be used in combination. From the viewpoint of skin suppleness after use, organic amines are preferred, monoethanolamine salts and triethanolamine salts are more preferred, and triethanolamine salts are even more preferred.

[0018] Examples of commercially available components (A) used in this embodiment include AminoSurfact ACDS-L (manufactured by Asahi Kasei Chemicals), which is a 25% aqueous solution of sodium cocoyl glutamate; Amisoft CS-11 (manufactured by Ajinomoto Co., Ltd.), which is sodium cocoyl glutamate; AminoSurfact ACDP-L (manufactured by Asahi Kasei Chemicals), which is a mixed aqueous solution of 22% potassium cocoyl glutamate and 7% sodium cocoyl glutamate; Amisoft CK-22 (manufactured by Ajinomoto Co., Ltd.), which is a 30% aqueous solution of potassium cocoyl glutamate; Amisoft CT-12 (manufactured by Ajinomoto Co., Ltd.), which is a 30% aqueous solution of cocoyl glutamate triethanolamine; and Amisoft LT-12 (manufactured by Ajinomoto Co., Ltd.), which is a 30% aqueous solution of lauroyl glutamate triethanolamine. These can be suitably used in this embodiment as well. Among these, it is particularly preferable to use cocoyl glutamate triethanolamine as component (A).

[0019] In this embodiment, the content of component (A) is, as a lower limit, 1% by mass (hereinafter simply abbreviated as "%") or more in the total amount of the composition, preferably 1.5% or more, and more preferably 2% or more, from the viewpoint of good foam retention and the like. As an upper limit, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and skin suppleness after use, it is 8% or less, preferably 6% or less, and more preferably 5% or less. Furthermore, the range is 1-8%, preferably 1.5-8%, more preferably 1.5-6%, even more preferably 1.5-5%, and particularly preferably 2-5%. This range is preferable because it provides superior precipitation suppression, dispensing from the foamer container, foam retention, and smoothness of the skin after application.

[0020] <Component (B): N-acylmethylalanine or its salt> The component (A) N-acylmethylalanine or its salt used in this embodiment is formed by acylation of a long-chain fatty acid with N-methyl-β-alanine, and is either N-acylmethylalanine having one carboxyl group in the molecule or N-acylmethylalanine with a counterion. The hydrocarbon group of the long-chain fatty acid is not particularly limited, but preferably has 8 to 22 carbon atoms, and more preferably 12 to 18 carbon atoms. The fatty acid can be a straight-chain or branched-chain fatty acid derived from saturated or unsaturated fatty acids. More specifically, examples of fatty acids include caprylic acid, capric acid, lauric acid, myristic acid, stearic acid, isostearic acid, palmitic acid, oleic acid, linoleic acid, behenic acid, coconut oil fatty acid, palm fatty acid, etc. One of these may be used, or two or more selected from the above group may be used in combination. In this embodiment, lauric acid is more preferred from the viewpoint of precipitation suppression effect, dispensing from the foamer container, good foam retention, and skin suppleness after use.

[0021] Furthermore, component (B) is preferably in the form of a salt, and as mentioned above, it is sufficient if a counterion is present, but it may also be neutralized with an alkali beforehand, and it is even possible to obtain a neutralized salt form by adding an alkali during the manufacturing process of the detergent composition. The neutralization rate is not particularly limited, but it is preferably 90% or more, more preferably 95% or more, and even more preferably 99% or more.

[0022] Such salts are not particularly limited and include, for example, alkali metal salts such as sodium and potassium, alkaline earth metal salts such as calcium and magnesium, inorganic salts such as aluminum and zinc, or organic amines such as ammonia, monoethanolamine, diethanolamine, and triethanolamine, or organic salts of basic amino acids such as arginine and lysine. One of these may be used, or two or more selected from the above group may be used in combination. From the viewpoint of skin suppleness after use, organic amines are preferred, monoethanolamine salts and triethanolamine salts are more preferred, and triethanolamine salts are even more preferred.

[0023] A commercially available example of component (B) used in this embodiment is Alano ALTA (manufactured by Kawasaki Fine Chemicals Co., Ltd.), which is a 30% by mass aqueous solution of lauroyl methylalanine triethanolamine, and can be suitably used in the present invention.

[0024] In this embodiment, the lower limit of the content of component (B) is 1% or more, preferably 1.5% or more, and more preferably 2% or more, of the total amount of the composition, from the viewpoint of good foam retention, etc. The upper limit is 10% or less, preferably 8% or less, and more preferably 6% or less, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and skin suppleness after use. Furthermore, the range is 1-10%, preferably 1-8%, more preferably 1.5-8%, even more preferably 2-8%, and particularly preferably 2-6%. This range is preferable because it provides superior precipitation suppression, easier dispensing from the foamer container, better foam retention, and smoother skin after use.

[0025] <Ingredient (C): Hydroxysulfobetaine-type surfactant> The component (C) hydroxysulfobetaine-type surfactant used in this embodiment is a surfactant classified as a sulfobetaine type represented by the following formula (1) or formula (2). JPEG2026109534000006.jpg2177 (in formula (1), R 1R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. 2 and R 3 (Each of these independently represents either a methyl group or an ethyl group.) JPEG2026109534000007.jpg21104 (in formula (2), R 4 R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. 5 R represents an alkyl group having 1 to 3 carbon atoms. 6 and R 7 (Each of these independently represents either a methyl group or an ethyl group.)

[0026] R in equation (1) 1 Or R in equation (2) 4 This represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, preferably with 8 to 18 carbon atoms. The alkyl group and alkenyl group may be either linear or branched, and may include not only alkyl or alkenyl groups derived from saturated or unsaturated hydrocarbons, but also alkyl or alkenyl groups derived from mixed hydrocarbons containing two or more of these hydrocarbons. In the case of alkyl or alkenyl groups derived from mixed hydrocarbons, the average value of the number of carbon atoms calculated from the number of carbon atoms of the various hydrocarbons constituting the mixed hydrocarbon is limited to the above range. Examples of these alkyl and alkenyl groups include lauryl, myristyl, palmityl, stearyl, oleyl, arachidyl, and behenyl groups. Furthermore, alkyl or alkenyl groups derived from mixed oils and fats can be used, such as coconut oil alkyl groups, palm kernel oil alkyl groups, and beef tallow alkyl groups. In this embodiment, lauryl groups, myristyl groups, coconut oil alkyl groups, and palm kernel oil alkyl groups are more preferable from the viewpoint of precipitation suppression effect, discharge from foamer container, foam retention, and skin suppleness after use.

[0027] Also, R in equation (1) 2 and R 3 , R in equation (2) 6 and R 7Each of these is independently a methyl group or an ethyl group, and in this embodiment, it is more preferable that both are methyl groups.

[0028] Also, R in equation (2) 5 This represents an alkyl group having 1 to 3 carbon atoms. Examples of alkyl groups having 1 to 3 carbon atoms include a methyl group, an ethyl group, a propyl group, etc., and in this embodiment, an ethyl group is more preferable.

[0029] Examples of hydroxysulfobetaine-type surfactants represented by formula (1) or formula (2) include lauryl hydroxysultaine, cocamidopropyl hydroxysultaine, and lauramidopropyl hydroxysultaine, which can be suitably used in the present invention. Among these, the use of lauryl hydroxysultaine as component (C) is particularly preferred.

[0030] In this embodiment, the molecular weight of component (C) is not particularly limited, but from the viewpoint of precipitation suppression effect, dispensing from the foamer container, foam retention, and skin suppleness after use, it is preferably 500 or less, and more preferably 450 or less.

[0031] Examples of commercially available components (C) used in this embodiment include Nissan Anon L-SB (component name: lauryl hydroxysultaine, manufactured by NOF Corporation), Amphorex LSB (component name: lauryl hydroxysultaine, manufactured by Miyoshi Oil & Fat Co., Ltd.), and Softazoline LSB (component name: lauramidopropyl hydroxysultaine, manufactured by Kawasaki Fine Chemicals Co., Ltd.), which can be suitably used in the present invention.

[0032] In this embodiment, the lower limit of the content of component (C) is 1% or more, preferably 1.5% or more, and more preferably 2% or more, of the total amount of the composition, from the viewpoint of good foam retention, etc. The upper limit is 10% or less, preferably 8% or less, and more preferably 6% or less, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and skin suppleness after use. Furthermore, the range is 1-10%, preferably 1-8%, more preferably 1.5-8%, even more preferably 2-8%, and particularly preferably 2-6%. This range is preferable because it provides superior precipitation suppression, easier dispensing from the foamer container, better foam retention, and smoother skin after use.

[0033] In this embodiment, the mass ratio of component (B) to component (C), (B) / (C), is preferably 0.2 or higher, more preferably 0.25 or higher, even more preferably 0.5 or higher, and particularly preferably 1 or higher, from the viewpoint of good foam retention and skin suppleness after use. The upper limit is preferably 4 or lower, more preferably 3 or lower, even more preferably 2.5 or lower, and particularly preferably 2 or lower, from the viewpoint of good foam retention and skin suppleness after use. Furthermore, the preferred range is 0.2 to 4, more preferably 0.25 to 4, even more preferably 0.25 to 3, even more preferably 0.5 to 2.5, and particularly preferably 1 to 2. This range is preferable because it provides superior precipitation suppression, discharge from the foamer container, foam retention, and smoothness of the skin after use.

[0034] In this embodiment, the lower limit of the total amount of component (A) and component (B) in {(A)+(B)} / (C) relative to component (C) is preferably 0.8 or higher, more preferably 0.9 or higher, even more preferably 1.2 or higher, and particularly preferably 1.4 or higher, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and skin suppleness after use. The upper limit is preferably 9 or lower, more preferably 7 or lower, even more preferably 5 or lower, and particularly preferably 4 or lower, from the viewpoint of good foam retention and skin suppleness after use. Furthermore, the preferred range is 0.8 to 9, more preferably 0.9 to 9, even more preferably 1.2 to 7, even more preferably 1.4 to 5, and particularly preferably 1.4 to 4. This range is preferable because it provides superior precipitation suppression, discharge from the foamer container, foam retention, and smoothness of the skin after application.

[0035] <Component (D): At least one selected from the group consisting of glycerin and polyethylene glycol with a number average molecular weight of 10,000 or less> The component (D) used in this embodiment is at least one selected from the group consisting of glycerin and polyethylene glycol with a number average molecular weight of 10,000 or less. The number average molecular weight of polyethylene glycol can be measured by the GPC method using polystyrene as the standard. In the present invention, it is preferable that component (D) contains at least glycerin.

[0036] Component (D), polyethylene glycol, is more preferably at least one selected from the group consisting of polyethylene glycol with a number average molecular weight of 300 to 600, polyethylene glycol with a number average molecular weight of 800 to 2,000, and polyethylene glycol with a number average molecular weight of 7,000 to 10,000, from the viewpoint of improving foam retention and the suppleness of the skin after use. Polyethylene glycol with a number average molecular weight of 300 to 600 is preferred, but a number average molecular weight of 300 to 500 is more preferable. Specifically, polyethylene glycol 300, polyethylene glycol 400, etc., can be cited and are suitable for use in the present invention. Polyethylene glycol with a number average molecular weight of 800 to 2,000 is preferably 900 to 1,800, and more preferably 900 to 1,600. Specifically, polyethylene glycol 1000, polyethylene glycol 1500, etc., can be cited and are suitable for use in the present invention. Polyethylene glycol with a number average molecular weight of 7,000 to 10,000 is preferred, with a more preferable number average molecular weight of 7,000 to 9,500. Specifically, polyethylene glycol 6000 can be cited, and it can be suitably used in the present invention.

[0037] In this embodiment, the lower limit of the content of component (D) is preferably 1% or more, more preferably 2% or more, and even more preferably 5% or more, in the total amount of the composition, from the viewpoint of good foam retention and skin suppleness after use. The upper limit is preferably 25% or less, and more preferably 20% or less, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and skin suppleness after use. Furthermore, the preferred range is 1-25%, more preferably 2-25%, even more preferably 5-25%, and particularly preferably 5-20%. This range is preferable because it provides superior precipitation suppression, easier dispensing from the foamer container, better foam retention, and smoother skin after use.

[0038] In this embodiment, the glycerin content is preferably 5% or more, more preferably 8% or more, even more preferably 10% or more, even more preferably 12% or more, and particularly preferably 14% or more, from the viewpoint of good foam retention and skin suppleness after use. The upper limit is preferably 25% or less, and more preferably 20% or less, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and skin suppleness after use. Furthermore, the preferred range is 5-25%, more preferably 8-25%, even more preferably 10-25%, even more preferably 12-25%, more preferably 14-25%, and particularly preferably 14-20%. This range is preferable because it provides superior precipitation suppression, better dispensing from the foamer container, better foam retention, and smoother skin after use.

[0039] In this embodiment, the content of polyethylene glycol with a number average molecular weight of 300 to 600 is preferably, as a lower limit, 5% or more, more preferably 8% or more, even more preferably 10% or more, even more preferably 12% or more, and particularly preferably 14% or more, from the viewpoint of good foam retention and skin suppleness after use. As an upper limit, it is preferably 25% or less, and more preferably 20% or less, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and skin suppleness after use. Furthermore, the preferred range is 5-25%, more preferably 8-25%, even more preferably 10-25%, even more preferably 12-25%, more preferably 14-25%, and particularly preferably 14-20%. This range is preferable because it provides superior precipitation suppression, better dispensing from the foamer container, better foam retention, and smoother skin after use.

[0040] In this embodiment, the content of polyethylene glycol with a number average molecular weight of 800 to 2,000 is preferably 2% or more, more preferably 3% or more, and particularly preferably 4% or more, in the total amount of the composition, from the viewpoint of good foam retention and smoothness of the skin after use. As an upper limit, it is preferably 10% or less, more preferably 9% or less, and particularly preferably 8% or less, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and smoothness of the skin after use. Furthermore, the preferred range is 2-10%, more preferably 3-8%, and even more preferably 4-8%. This range is preferable because it provides superior precipitation inhibition, easier dispensing from the foaming container, better foam retention, and smoother skin after use.

[0041] In this embodiment, the content of polyethylene glycol with a number average molecular weight of 7,000 to 10,000 is preferably 1% or more, more preferably 1.5% or more, and particularly preferably 2% or more, in the total amount of the composition, from the viewpoint of good foam retention and smoothness of the skin after use. As an upper limit, it is preferably 5% or less, more preferably 4% or less, and particularly preferably 3% or less, from the viewpoint of precipitation suppression effect, discharge from the foamer container, and smoothness of the skin after use. Furthermore, the preferred range is 1-5%, more preferably 1.5-4%, and even more preferably 2-3%. This range is preferable because it provides superior precipitation inhibition, easier dispensing from the foaming container, better foam retention, and smoother skin after use.

[0042] In the detergent composition of the present invention, it is preferable that it substantially does not contain N-acylglycine or its salts from the viewpoint of precipitation suppression effect and discharge from a foamer container. N-acylglycine or its salts are not particularly limited, but examples include N-acylglycine salts represented by general formula (1) described in Japanese Patent Application Publication No. 2024-57923, and more specifically, alkali metal salts or alkanolamine salts such as lauroyl glycine, myristoyl glycine, palmitoyl glycine, stearoyl glycine, coconut oil fatty acid acylglycine (cocoyl glycine), palm oil fatty acid acylglycine. In the present invention, it is more preferable that it substantially does not contain cocoyl glycine or its salts. Here, substantially not containing means that the content in the detergent composition is 1% or less, preferably 0.5% or less, more preferably 0.1% or less, and even more preferably 0% (not containing).

[0043] In the detergent composition of the present invention, it is preferable that it substantially contains no fatty acid salts, and more preferably that it substantially contains no salts of fatty acids that are solid at 25°C, from the viewpoint of precipitation suppression effect and discharge from a foamer container. Fatty acid salts are not particularly limited, but examples include single fatty acids such as lauric acid, myristic acid, palmitic acid, stearic acid, and behenic acid, as well as mixed fatty acids such as coconut oil fatty acid, beef tallow fatty acid, and palm kernel oil fatty acid. In the present invention, fatty acid salts include those in which the fatty acids have been neutralized in advance with a base, or those in which they are neutralized by separately blending them during manufacturing. Examples of bases used for neutralization include inorganic bases such as sodium hydroxide, potassium hydroxide, and magnesium hydroxide, ammonium salts, triethylamine salts, monoethanolamine salts, diethanolamine salts, triethanolamine salts, alkanolamines such as 2-amino-2-methylpropanol and 2-amino-2-methylpropanediol, and basic amino acids such as lysine and arginine. Here, "substantially absent" means that the content in the detergent composition is 1% or less, preferably 0.5% or less, more preferably 0.1% or less, and even more preferably 0% (absent).

[0044] In the detergent composition of the present invention, from the viewpoint of low irritation to the skin and hair, it is preferable that it substantially does not contain sulfate-based surfactants and / or olefin sulfonate-based surfactants, and more preferably that it substantially does not contain sulfate-based surfactants and olefin sulfonate-based surfactants. Here, substantially does not contain means that the content in the detergent composition is 1% or less, preferably 0.5% or less, more preferably 0.1% or less, and even more preferably 0% (not contained).

[0045] In addition to the above-mentioned components, the detergent composition of the present invention may contain, in a qualitative and quantitative range that does not impair the effects of the present invention, components commonly used in cosmetics and topical skin preparations, household detergents, and daily necessities, namely water (purified water, hot spring water, deep sea water, etc.), surfactants other than components (A) to (C), oils, gelling agents, powders, water-soluble alcohols other than component (D), water-soluble polymers, film-forming agents, resins, welding compounds, humectants, antibacterial agents, fragrances, deodorants, salts, chelating agents, UV absorbers, pH adjusters, cooling agents, plant extracts, vitamins, beauty ingredients, etc.

[0046] There are no particular restrictions on the type of water used, but examples include purified water, distilled water, deionized water, tap water, hot spring water, and deep-sea water. In the present invention, there are no particular restrictions on the water content in the composition, but 30-80% is preferred, 40-75% is more preferred, and 50-70% is particularly preferred.

[0047] Other surfactants besides components (A) to (C) include cationic surfactants, nonionic surfactants, amphoteric surfactants, and anionic surfactants. Examples of amphoteric surfactants include betaine-based surfactants such as cocamidopropyl betaine and lauryl betaine, and phospholipids such as hydrogenated lecithin. Examples of anionic surfactants include amino acid-based surfactants such as taurine-based surfactants such as staloyl methyl taurate and aspartic acid-based surfactants such as lauroyl aspartate. Examples of cationic surfactants include alkylamine salts, amine salts such as polyamines and amino alcohol fatty acid derivatives, alkyl quaternary ammonium salts, aromatic quaternary ammonium salts, pyridium salts, imidazolium salts, etc., such as stearyltrimethylammonium chloride, behenyltrimethylammonium chloride, cetyltrimethylammonium chloride, distearyldimethylammonium chloride, dibehenyldimethylammonium chloride, dicetyldimethylammonium chloride, stearyldimethylbenzylammonium chloride, dilauryldimethylammonium chloride, dipolyoxyethylene (15EO) coconut oil alkylmethylammonium chloride, dipolyoxyethylene (4EO) lauryl ether dimethylammonium chloride, dicocoylethyl hydroxyethylmonium sulfate, distearoylethyl hydroxyethylmonium methosulfate, distearoylethyl hydroxyethylmonium methosulfate, dipalmitoylethyl hydroxyethylmonium methosulfate, and palmitamidopropyltrimonium chloride.Anionic surfactants and nonionic surfactants include sorbitan fatty acid esters, glycerin fatty acid esters, polyglycerin fatty acid esters, propylene glycol fatty acid esters, polyethylene glycol fatty acid esters, sucrose fatty acid esters, polyoxyethylene alkyl ethers, polyoxypropylene alkyl ethers, polyoxyethylene alkylphenyl ethers, polyoxyethylene fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene sorbitol fatty acid esters, polyoxyethylene glycerin fatty acid esters, polyoxyethylene propylene glycol fatty acid esters, polyoxyethylene castor oil, and polyoxyethylene hydrogenated phenyl Examples include castor oil, polyoxyethylene phytostanol ether, polyoxyethylene phytosterol ether, polyoxyethylene cholestanol ether, polyoxyethylene cholesteryl ether, polyoxyalkylene-modified organopolysiloxane, polyoxyalkylene-alkyl copolymerized organopolysiloxane, lauric acid diethanolamide, coconut oil fatty acid diethanolamide, coconut oil fatty acid nomoethanolamide, polyoxyethylene coconut oil fatty acid nomoethanolamide, lauric acid monoisopropanolamide, coconut oil fatty acid monoisopropanolamide, polyoxypropylene coconut oil fatty acid monoisopropanolamide, alkanolamide, sugar ether, sugar amide, etc. In the present invention, from the viewpoint of good foam retention and suppleness of the skin after use, it is preferable to contain a nonionic surfactant with an HLB of 12 or more, more preferably polyoxyethylene hydrogenated castor oil and / or polyoxyethylene glycerin fatty acid ester, even more preferably polyoxyethylene glycerin fatty acid ester, and particularly preferably PEG-20 glyceryl isostearate. The content of nonionic surfactants with an HLB of 12 or higher is preferably 0.001 to 0.5% of the total composition, more preferably 0.005 to 0.2%, and even more preferably 0.01 to 0.1%.

[0048] As oils, oily components such as higher alcohols, hydrocarbon oils, ester oils, fats and oils, and silicones can be used. For example, higher alcohols such as lauryl alcohol, myristyl alcohol, palmityl alcohol, stearyl alcohol, behenyl alcohol, hexadecyl alcohol, oleyl alcohol, isostearyl alcohol, hexyldodecanol, octyldodecanol, cetostearyl alcohol, 2-decyltetradecinol, cholesterol, phytosterols, sitosterols, lanosterols, monostearyl glycerin ether (batyl alcohol), ozokerite, squalane, squalene, etc. Lesin, paraffin, paraffin wax, liquid paraffin, pristane, polyisobutylene, microcrystalline wax, hydrocarbons such as petrolatum, diisobutyl adipate, 2-hexyldecyl adipate, di-2-heptylundecyl adipate, N-alkyl glycol monoisostearate, isocetyl isostearate, trimethylolpropane triisostearate, ethylene glycol di-2-ethylhexanoate, cetyl 2-ethylhexanoate, trimethylolpropane tri-2-ethylhexanoate Pan, pentaerythritol tetra-2-ethylhexanoate, cetyl octanoate, octyldodecyl gum ester, oleyl oleate, octyldodecyl oleate, decyl oleate, neopentyl glycol dicaprate, triethyl citrate, 2-ethylhexyl succinate, isocetyl stearate, butyl stearate, diisopropyl sebacate, di-2-ethylhexyl sebacate, cetyl lactate, myristyl lactate, isopropyl palmitate, 2-ethylhexyl palmitate, 2-hexyl palmitate Sildecyl, 2-heptylundecyl palmitate, cholesteryl 12-hydroxystearate, dipentaerythritol fatty acid esters, isopropyl myristate, octyldodecyl myristate, 2-hexyldecyl myristate, myristyl myristate, hexyldecyl dimethyloctanoate, ethyl laurate, hexyl laurate, diisostearyl malate and other ester oils, beeswax, carnauba wax, candelilla wax, whale wax and other waxes, palm oil, palm kernel oil, olive oil, safflower oil,Vegetable oils such as soybean oil and cottonseed oil; animal oils such as beef tallow, beef tallow, beef bone tallow, hardened beef tallow, hardened oil, turtle oil, pork tallow, horse tallow, mink oil, liver oil, egg yolk oil; lanolin, liquid lanolin, reduced lanolin, lanolin alcohol, hard lanolin, lanolin acetate, lanolin fatty acid isopropyl lanolin derivatives; low-molecular-weight dimethylpolysiloxane, high-molecular-weight dimethylpolysiloxane, methylphenylpolysiloxane, decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane Examples include xanes, polyether-modified polysiloxanes, polyoxyalkylene / alkylmethylpolysiloxane / methylpolysiloxane copolymers, alkoxy-modified polysiloxanes, alkyl-modified polysiloxanes, cross-linked organopolysiloxanes, fluorine-modified polysiloxanes, amino-modified polysiloxanes, glycerin-modified polysiloxanes, higher alkoxy-modified silicones, higher fatty acid-modified silicones, silicone resins, silicone rubbers, silicone resins, and other silicone-based materials.

[0049] Water-soluble alcohols include lower alcohols such as ethanol and isopropanol, and polyhydric alcohols such as diglycerin, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, and 1,3-butylene glycol.

[0050] Water-soluble polymers include mucopolysaccharides and their salts selected from chondroitin sulfate, hyaluronic acid, mucin, dermatan sulfate, heparin, and keratan sulfate; plant-derived polymers such as acacia gum, tragacanth, galactan, carob gum, guar gum, karaya gum, carrageenan, pectin, agar, quince seed, algae colloid, trant gum, locust bean gum, and galactomannan; microbial polymers such as xanthan gum, dextran, succinoglucan, and pullulan; starch-based polymers such as starch, carboxymethyl starch, and methylhydroxypropyl starch; methylcellulose, ethylcellulose, methylhydroxypropylcellulose, and carboxymethylcellulose. Examples of polymers include cellulose-based polymers such as sodium cellulose, hydroxymethylcellulose, hydroxypropylcellulose, nitrocellulose, sodium cellulose sulfate, sodium carboxymethylcellulose, crystalline cellulose, and cellulose; alginate-based polymers such as sodium alginate and propylene glycol alginate; vinyl-based polymers such as polyvinyl methyl ether, carboxyvinyl polymer, and alkyl-modified carboxyvinyl polymer; polyoxyethylene-based polymers, polyoxyethylene-polyoxypropylene copolymer polymers; and inorganic water-soluble polymers such as sodium polyacrylate, polyethyl acrylate, polyethyleneimine, bentonite, laponite, and hectorite. Examples of anionic polymers commonly used as setting agents include acrylic acid / ethyl acrylate / N-tert-butylacrylamide copolymer, acrylic resin alkanolamine, vinyl methyl ether / ethyl maleate copolymer, vinyl methyl ether / butyl maleate copolymer, and vinyl acetate / crotonic acid copolymer. Examples of amphoteric polymers include N-methacryloylethyl N,N-dimethylammonium·α-N-methylcarboxybetaine·alkyl methacrylate copolymer, hydroxypropyl acrylate·butylaminoethyl methacrylate·octylamide acrylate copolymer, acrylic acid·dimethyldiallylammonium chloride·acrylamide copolymer, and dimethyldiallylammonium chloride·acrylic acid copolymer.Examples of cationic polymers include vinylpyrrolidone-N,N-dimethylaminoethyl methacrylate copolymer diethyl sulfate, diallyldimethylammonium chloride-hydroxyethylcellulose, glycidyltrimethylammonium chloride-hydroxyethylcellulose, dimethyldiallylammonium chloride polymer, and dimethyldiallylammonium chloride-acrylamide copolymer. Examples of nonionic polymers include polyvinylpyrrolidone, vinylpyrrolidone-vinyl acetate copolymer, polyvinyl alcohol, and polyurethane.

[0051] Antimicrobial agents include benzoic acid, sodium benzoate, salicylic acid, carbolic acid, sorbic acid, potassium sorbate, parachlormethacresol, hexachlorophene, benzalkonium chloride, chlorhexidine chloride, trichlorocarbanilide, photosensitizer, bis(2-pyridylthio-1-oxide)zinc, isopropylmethylphenol, and glyceryl caprylate. Preservatives include parahydroxybenzoic acid esters and phenoxyethanol.

[0052] Examples of vitamins include vitamin A and its derivatives, vitamin B and its derivatives, vitamin C and its derivatives, vitamin E and its derivatives, vitamin F compounds such as linolenic acid and its derivatives, vitamin K compounds such as phytonadione, menaquinone, menadione, and menadiol, vitamin P compounds such as eriocitrin and hesperidin, biotin, carnitine, and ferulic acid.

[0053] The properties of the detergent composition of the present invention are not particularly limited, but it is preferable that it be liquid in order to suitably exhibit effects such as good foam retention and suppleness of the skin after use. Here, liquid means a state in which it is fluid at 25°C. Specifically, at 25°C, the viscosity measured using a B-type viscometer, rotor No. 1, 60 rpm, and averaged over 1 minute is preferably 500 mPa·s or less, more preferably 250 mPa·s or less, even more preferably 100 mPa·s or less, and from the viewpoint of discharge from a foamer container, more preferably 50 mPa·s or less, even more preferably 25 mPa·s or less, and particularly preferably 15 mPa·s or less.

[0054] The pH of the detergent composition of the present invention is not particularly limited, but is preferably 5.0 to 6.5 at 25°C, and more preferably 5.5 to 6.6. This range is preferable because it provides superior stability over time, good foam retention, and smoothness of the skin after use. In this application, the pH was measured at 25°C, and a glass electrode type hydrogen ion concentration meter (manufactured by Horiba, Ltd.) was used for the measurement.

[0055] Furthermore, the detergent composition of the present invention is not particularly limited in dosage form as long as it satisfies the constituent requirements, and can be used in liquid solubilized form, emulsifier form, etc. As for the container form, from the viewpoint of usability when applied to hair and skin, a container for use in a foam form is preferred, and it is more preferable to use an aerosol foamer container or a non-aerosol (non-gas) foamer container. When used as an aerosol foamer container, the gas (propellant) to be filled is not particularly limited, but as is commonly used in cosmetics, for example, hydrocarbons and halogenated hydrocarbons can be used. Specifically, examples include propane, isobutane, n-butane, isopentane, liquefied petroleum gas (hereinafter abbreviated as "LPG"), dimethyl ether (hereinafter abbreviated as "DME"), dichlorodifluoromethane, trichloromonofluoromethane, nitrogen, carbonic acid, etc. Among these, LPG and DME are preferred because they can be uniformly sprayed onto the skin, and one or more of these propellants can be appropriately selected and used. In this invention, while such propellants may be used, the effects of the invention can be obtained by placing the product in a foaming container without using any propellants, and it is particularly preferable to use a non-aerosol (non-gas) foaming container.

[0056] Furthermore, the detergent composition of the present invention exhibits excellent stability over time, particularly in its effect of suppressing precipitation over time under low-temperature conditions, and is preferably transparent in appearance from the viewpoint of aesthetic value. Here, in the present invention, transparency refers to a transmittance of 90% or more at a wavelength of 500 nm. The transmittance is measured by filling a quartz cell with a path length of 10 mm and a path width of 10 mm with the sample and using an ultraviolet-visible spectrophotometer (UV-2600, manufactured by Shimadzu Corporation), and is the value when the transmittance of water is set to 100%.

[0057] The method for producing the detergent composition of the present invention is not particularly limited and can be prepared by conventional methods. For example, it can be obtained by mixing components (A) to (D) and other components and filling them into a container (e.g., a container with a spray nozzle, a spray container, a finger spray container, a mist spray container, a foamer container, and other non-aerosol containers; aerosol containers; etc.).

[0058] The cleansing agent composition of the present invention can be used according to its intended use, method, and environment of use, but it is preferable to use one that cleanses keratin in hair, eyelashes, skin, nails, etc., from the viewpoint of having a transparent appearance, excellent dispensing from a foaming container, and providing good foam retention and a feeling of suppleness in the skin after use.

[0059] The detergent composition of the present invention may be used as is as the final formulation, or it may be mixed with other components to form the final formulation. Examples of the final formulation include pharmaceuticals, cosmetics, household detergents, daily necessities, textile products, paints, etc. Specifically, examples include hair cosmetics such as shampoos, rinses, and conditioners; skincare cosmetics such as facial cleansers and makeup removers; household detergents such as vegetable and dish soaps, laundry detergents, and fabric softeners; and daily necessities such as toothpaste, mouthwash, and bath additives. In the present invention, the final formulation is preferably a hair cleansing cosmetic or a skin cleansing cosmetic, more preferably a skin cleansing cosmetic, and particularly preferably a makeup remover and / or facial cleanser from the viewpoint of good lather retention and skin suppleness after use. The method of use is not particularly limited as long as it is a normal method of use.

[0060] The amount of the cleansing agent composition of the present invention contained in the aforementioned cosmetic is not particularly limited, but is preferably 10-100%, more preferably 50-100%, even more preferably 80-100%, and particularly preferably 100% (using the cleansing agent composition as a cosmetic).

[0061] Furthermore, from another perspective, the component (C) can also be configured as a method for suppressing the generation of aggregates in a detergent composition containing components (A), (B), and (D).

[0062] In the description of the above method, explanations of components (A) to (D), their respective contents, their respective mass percentages, manufacturing methods, their respective compositions, methods, and terms will be omitted as appropriate. However, the explanations for the aforementioned detergent compositions also apply to this method and can be adopted as appropriate.

[0063] Furthermore, the present invention may also employ the following configuration. <1> The following components (A) to (D); (A) N-acyl glutamic acid or its salt 1-8% by mass (B) N-acylmethylalanine or its salt 1-10% by mass (C) Hydroxysulfobetaine-type surfactant represented by formula (1) or formula (2) 1 to 10% by mass (D) At least one selected from the group consisting of glycerin and polyethylene glycol with a number average molecular weight of 10,000 or less. It contains, This is a detergent composition that is used by filling it into a foaming container. JPEG2026109534000008.jpg2177 (in formula (1), R 1 R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. 2 and R 3 (Each of these independently represents either a methyl group or an ethyl group.) JPEG2026109534000009.jpg21104 (in formula (2), R 4 R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. 5 R represents an alkyl group having 1 to 3 carbon atoms. 6 and R 7 (Each of these independently represents either a methyl group or an ethyl group.) <2> The following components (A) to (D); (A) N-acyl glutamic acid or its salt 1-8% by mass (B) N-acylmethylalanine or its salt 1-10% by mass (C) Hydroxysulfobetaine-type surfactant represented by formula (1) or formula (2) 1 to 10% by mass (D) At least one selected from the group consisting of glycerin and polyethylene glycol with a number average molecular weight of 10,000 or less. It contains, This is a cleaning agent composition that is transparent in appearance. JPEG2026109534000010.jpg2177 (in formula (1), R 1 R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. 2 and R 3 (Each of these independently represents either a methyl group or an ethyl group.) JPEG2026109534000011.jpg21104 (in formula (2), R 4 R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. 5 R represents an alkyl group having 1 to 3 carbon atoms. 6 and R 7 (Each of these independently represents either a methyl group or an ethyl group.) <3> The detergent composition according to (1) or (2), wherein component (D) contains at least glycerin, and the glycerin content is 5 to 25% by mass of the total amount of the composition. <4> The detergent composition is as described in any of the above (1) to (3), wherein the mass ratio of component (B) to component (C) (B) / (C) is 0.2 to 4. <5> The detergent composition is one of the above (1) to (4), wherein the molecular weight of component (C) is 500 or less. <6> The polyethylene glycol of component (D) is at least one selected from the group consisting of polyethylene glycol with a number average molecular weight of 300 to 600, polyethylene glycol with a number average molecular weight of 800 to 2,000, and polyethylene glycol with a number average molecular weight of 7,000 to 10,000. When polyethylene glycol with a number average molecular weight of 300 to 600 is included, the content is 5 to 25% by mass of the total amount of the composition. When polyethylene glycol with a number average molecular weight of 800 to 2,000 is included, the content is 2 to 10% by mass of the total composition. The detergent composition according to any one of (1) to (5) above, wherein, if it contains polyethylene glycol with a number average molecular weight of 7,000 to 10,000, the content is 1 to 5% by mass of the total amount of the composition. <7> A detergent composition according to any one of the above (1) to (6), which substantially does not contain N-acylglycine or a salt thereof. <8> The detergent composition is one of the above (1) to (7), wherein component (A) is cocoyl glutamic acid or a salt thereof. <9> The detergent composition is one of the above (1) to (8), wherein component (B) is lauroyl methylalanine or a salt thereof. <10> The detergent composition is one of the above (1) to (9), wherein the component (C) is lauroyl hydroxysultaine. <11> The detergent composition is one of the above (1) to (10), wherein the component (D) is glycerin. <12> The detergent composition is one of the above <1> to <11>, wherein the mass ratio of the total amount of component (A) and component (B) to component (C) {(A)+(B)} / (C) is 0.8 to 9. <13> The detergent composition is one of the above (1) to (12), having a pH of 5.0 to 6.5 at 25°C. <14> A detergent composition according to any one of the above (1) to (13), which substantially does not contain sulfate-based surfactants and / or olefin sulfonate-based surfactants. <15> A detergent composition according to any one of the above (1) to (14), which substantially does not contain fatty acid salts. <16> The cleaning agent composition described in (1) above is transparent in appearance. <17> This is the detergent composition described in (2) above, which is used by filling it into a foaming container. <18> A cleansing agent composition described in any of the above (1) to (17), which is a cosmetic for cleansing the skin. <19> The cleansing agent composition described in <18> above is a cleansing agent and / or facial wash, wherein the skin cleansing cosmetic is a cleansing agent and / or facial wash. <20> This is a method for producing a detergent composition according to any of the above (1) to (17), using component (C) to suppress the generation of aggregates in a composition containing components (A), (B), and (D). [Examples]

[0064] The effects of the present invention will be explained using the following examples and comparative examples. However, the technical scope of the present invention is not limited to the following examples. Unless otherwise specified, each operation is performed at room temperature (25°C). In the examples, the units "parts" or "%" may be used, but unless otherwise specified, they represent "parts by mass" or "mass%".

[0065] Examples 1-20 and Comparative Examples 1-11: Cleansing agent compositions (facial cleansers) The detergent compositions shown in Tables 1-3 below were prepared by the following manufacturing method, and evaluated according to the evaluation method and criteria shown below for (a) stability over time (precipitation inhibition effect (0°C / 1M)), (b) stability over time (discharge from foamer container (0°C / 1M)), (c) foam retention, and (d) skin suppleness after use. The results are also shown in Tables 1-3. Note that the content in the table and outside the table (Examples 21-22) represents the content of the essential components of each ingredient. Furthermore, for the detergent compositions of Example 1 and Comparative Example 6, the appearance photographs of the stability over time (0°C / 1M) are shown in Figures 1-2, and for Comparative Example 6, the microscope photograph is shown in Figure 3.

[0066] [Table 1]

[0067] [Table 2]

[0068] [Table 3] Note 1: AMISOFT CT-12S (manufactured by Ajinomoto Co., Inc.) Note 2: Alanone ALTA (manufactured by Kawaken Fine Chemical Co., Ltd.) Note 3: Amilight GCK-12K (manufactured by Ajinomoto Co., Inc.) Note 4: Nissan Anon L-SB (manufactured by NOF Corporation) Note 5: Lycabion B-300 (manufactured by Shin Nippon Rika Co., Ltd.) Note 6: MERQUAT 740 POLYMER (manufactured by Lubrizol)

[0069] (Manufacturing method) A: Components (1) and a portion of component (16) were heated to 80°C. B: Components (2) to (5) were heated to 80°C. C: Components (6) to (12) were heated to 80°C. A and C were added to D:B, ​​mixed uniformly, and then cooled to room temperature. Components (13) to (15) and the remainder of component (16) were added to E:D and mixed uniformly. The mixture was then filled into a foaming container (manufactured by Yoshino Kogyosho Co., Ltd., having one 200-mesh and one 100-mesh sheet) to obtain a detergent composition.

[0070] (Evaluation method) Each of the following evaluation items was evaluated using the method described below. (Evaluation criteria) (i) Stability over time (precipitation inhibition effect (0℃ / 1M)) (b) Stability over time (discharge from foamer container (0℃ / 1M)) (h) Good foam retention (2) The suppleness of the skin after use

[0071] <Evaluation Method 1: (a) Stability over time (Precipitation inhibition effect (0℃ / 1M))> For long-term stability (0°C / 1M), each composition was stored in a constant temperature bath at 0°C for one month (1M), then left to stand at room temperature for one day. After that, the presence or absence of luminescence was observed using a microscope (VHS-8000, manufactured by Keyence Corporation, 300x magnification, deflection mode), and the result was determined according to the following two-stage criteria. <Two-stage evaluation criteria> (Judgment) :(Judgment criteria) A (Excellent): No bioluminescent objects were observed. E (Not acceptable): A luminescent object was observed.

[0072] <Evaluation Method 2: (b) Stability over time (dispensing from the foamer container (0°C / 1M))> For long-term stability (0°C / 1M), each composition was stored in a constant temperature bath at 0°C for one month (1M), then left to stand at room temperature for one day, and subsequently dispensed 20 times consecutively. The stability was then evaluated according to the following three-stage criteria. <3-stage evaluation criteria> (Judgment) :(Judgment criteria) A (Excellent): Able to dispense 20 times in a row (no change observed in dispensing) D (Somewhat unacceptable): There is a risk of discharge during the process of 20 consecutive discharges. E (Unacceptable): Dispensing fails 20 times in a row during the dispensing process. In this context, the aforementioned concerns about discharge refer to situations where discharge is possible but the pump becomes stiff, making discharge difficult, or where the foam collapses immediately after discharge. In this invention, "foam collapse" refers to the phenomenon where the foam breaks down and its volume decreases (liquefaction).

[0073] <Evaluation Method 3: (c) How well the foam lasts, (d) How supple the skin feels afterward> A panel of 10 cosmetic product evaluation specialists used each composition and evaluated its foam retention and the suppleness of the skin after use according to the following five-point evaluation criteria (I). Furthermore, the average score of all panel members was judged according to the following five-point evaluation criteria (II). To assess foam retention, each composition was dispensed twice onto a wet palm. The dispensed foam was then used to rub the palms together for approximately 60 seconds. The evaluation assessed whether the foam remained firm and maintained good foam retention after this time. Regarding the suppleness of the skin after use, we evaluated whether the skin felt elastic and moisturized after washing with each composition. <5-point rating scale (I)> (Evaluation result): (Score) Very good: 5 points Fairly good: 4 points Neither: 3 points Slightly poor: 2 points Very poor: 1 point <Criteria for Judgment (II)> (Judgment): (Average score of the ratings) A (excellent): 4.5 points or more B (Good): 4.0 points or higher, less than 4.5 points C (Acceptable): Over 3.0 points but under 4.0 points D (Somewhat unacceptable): 1.5 points or more, or 3.0 points or less E (Fail): Less than 1.5 points

[0074] As is clear from the results in Tables 1-3, the compositions of Examples 1-20 were superior to the detergent compositions of Comparative Examples 1-11 in terms of precipitation suppression effect, good discharge from the foamer container, excellent stability over time, and also superior in foam retention and skin suppleness after use. Furthermore, as shown in Figure 1, no precipitates were observed in Example 1, and it exhibited excellent stability over time. In addition, the detergent compositions of Examples 1-20 were transparent in appearance, and the transmittance under the transmittance measurement conditions described above was 90% or more. Furthermore, the viscosity of the detergent compositions of Examples 1-20 at 25°C was 100 mPa·s or less, measured using a B-type viscometer, rotor 1, 60 rpm, and averaged over 1 minute.

[0075] On the other hand, in Comparative Example 1, which did not contain ingredient (A), and Comparative Example 3, which did not contain ingredient (B), satisfactory results in terms of foam retention were not obtained. In Comparative Example 2, where the content of component (A) exceeded 8% by mass; Comparative Example 4, where the content of component (B) exceeded 10% by mass; and Comparative Example 7, where the content of component (C) exceeded 10% by mass, satisfactory results were not obtained in terms of long-term stability and the suppleness of the skin after use. In Comparative Example 5, which used potassium cocoyl glycine instead of component (B), and Comparative Example 6, which did not contain component (C), satisfactory results were not obtained in terms of long-term stability, foam retention, and skin suppleness. Furthermore, as shown in Figure 2, the transparency of the appearance was impaired in Comparative Example 6 due to precipitates, and as shown in Figure 3, luminescence due to precipitates was observed even under a microscope. In Comparative Example 8, where lauramidopropyl betaine was used instead of component (C), satisfactory stability over time was not obtained. In Comparative Example 9, which did not contain ingredient (D), Comparative Example 10, which used 1,3-butylene glycol instead of ingredient (D), and Comparative Example 11, which used dipropylene glycol instead of ingredient (D), satisfactory results were not obtained in terms of foam retention and skin suppleness after use.

[0076] Example 21: Facial Cleanser (component) (mass%) 1. Triethanolamine Cocoyl Glutamate (Component (A)) Note 1 3.0 2. Lauroyl methylalanine triethanolamine (Component (B)) Note 2 4.0 3. Lauryl hydroxysultaine (Component (C)) Note 4 2.0 4. Glycerin (Ingredient (D)) 20 5. PEG-20 Glyceryl Triisostearate 0.01 6 Polyquaternium-7 0.5 7. Purified water remaining amount

[0077] (Manufacturing method) A: Mix a portion of component (7) and components (1) to (4) uniformly at 80°C. B: Cool A to room temperature. Add components (5) to (6) and the remainder of component (7) to C:B and mix. D:C was filled into a foaming container (having two 200-mesh sheets) to obtain a facial cleanser.

[0078] The facial cleanser of Example 21 exhibited excellent precipitation inhibition, good dispensing from the foamer container, and superior stability over time. Furthermore, it was excellent in terms of foam retention and the suppleness of the skin after use. In addition, the facial cleanser of Example 21 had a pH in the range of 5.0 to 6.5 at 25°C, a transmittance of 90% or more under the transmittance measurement conditions described above, and a viscosity of 50 mPa·s or less at 25°C, measured using a B-type viscometer, rotor No. 1, 60 rpm, and a 1-minute average value.

[0079] Example 22: Hand soap (component) (mass%) 1. Triethanolamine Cocoyl Glutamate (Component (A)) Note 1 8.0 2. Lauroyl methylalanine triethanolamine (Component (B)) Note 2 4.0 3. Lauryl hydroxysultaine (Component (C)) Note 4 4.0 4 Glycerin 20 5. PEG-20 Glyceryl Triisostearate 0.01 6 Polyquaternium-7 0.5 7. Purified water remaining amount

[0080] (Manufacturing method) A: Mix a portion of component (7) and components (1) to (4) uniformly at 80°C. B: Cool A to room temperature. Add components (5) to (6) and the remainder of component (7) to C:B and mix. D:C was filled into a foaming container (having two 200-mesh sheets) to obtain hand soap.

[0081] The hand soap of Example 22 exhibited excellent precipitation suppression, good dispensing from the foamer container, and superior stability over time. Furthermore, it was excellent in terms of foam retention and the suppleness of the skin after use. In addition, the pH of the hand soap of Example 22 at 25°C was in the range of 5.0 to 6.5, the transmittance under the transmittance measurement conditions described above was 90% or more, and the viscosity at 25°C was 50 mPa·s or less, measured using a B-type viscometer, rotor No. 1, 60 rpm, and averaged over 1 minute.

Claims

1. The following components (A) to (D): (A) N-acyl glutamic acid or its salt 1 to 8% by mass (B) N-acylmethylalanine or its salt 1 to 10% by mass (C) Hydroxysulfobetaine-type surfactant represented by formula (1) or formula (2) 1 to 10% by mass (D) At least one selected from the group consisting of glycerin and polyethylene glycol with a number average molecular weight of 10,000 or less. It contains, A detergent composition for use by filling it into a foaming container. (In formula (1), R １ R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. ２ and R ３ (Each of these independently represents either a methyl group or an ethyl group.) (In formula (2), R ４ R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. ５ R represents an alkyl group having 1 to 3 carbon atoms. ６ and R ７ (Each of these independently represents either a methyl group or an ethyl group.)

2. The following components (A) to (D): (A) N-acyl glutamic acid or its salt 1 to 8% by mass (B) N-acylmethylalanine or its salt 1 to 10% by mass (C) Hydroxysulfobetaine-type surfactant represented by formula (1) or formula (2) 1 to 10% by mass (D) At least one selected from the group consisting of glycerin and polyethylene glycol with a number average molecular weight of 10,000 or less. It contains, A cleaning agent composition having a transparent appearance. (In formula (1), R １ represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, and R ２ and R ３ each independently represent a methyl group or an ethyl group.) (In formula (2), R ４ R represents an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms. ５ R represents an alkyl group having 1 to 3 carbon atoms. ６ and R ７ (Each of these independently represents either a methyl group or an ethyl group.)

3. The detergent composition according to claim 1 or 2, wherein component (D) contains at least glycerin, and the glycerin content is 5 to 25% by mass of the total amount of the composition.

4. The detergent composition according to claim 1 or 2, wherein the mass ratio (B) / (C) of component (B) to component (C) is 0.2 to 4.

5. The detergent composition according to claim 1 or 2, wherein the molecular weight of component (C) is 500 or less.

6. The polyethylene glycol of component (D) is at least one selected from the group consisting of polyethylene glycol with a number average molecular weight of 300 to 600, polyethylene glycol with a number average molecular weight of 800 to 2,000, and polyethylene glycol with a number average molecular weight of 7,000 to 10,000. When polyethylene glycol with a number average molecular weight of 300 to 600 is included, the content is 5 to 25% by mass of the total amount of the composition. When polyethylene glycol with a number average molecular weight of 800 to 2,000 is contained, the content is 2 to 10% by mass of the total amount of the composition. The detergent composition according to claim 1 or 2, wherein, if it contains polyethylene glycol with a number average molecular weight of 7,000 to 10,000, the content is 1 to 5% by mass of the total amount of the composition.

7. A detergent composition according to claim 1 or 2, which substantially does not contain N-acylglycine or a salt thereof.

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