Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/60—Sugars; Derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/89—Polysiloxanes
  • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
  • A61K8/894—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/89—Polysiloxanes
  • A61K8/896—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
  • A61K8/898—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
  • A61Q19/10—Washing or bathing preparations
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
  • C11D1/29—Sulfates of polyoxyalkylene ethers
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/74—Carboxylates or sulfonates esters of polyoxyalkylene glycols
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/75—Amino oxides
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/88—Ampholytes; Electroneutral compounds
  • C11D1/90—Betaines
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/88—Ampholytes; Electroneutral compounds
  • C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers

Definitions

• the present invention relates to a skin cleanser composition.
• the foam performance is an important factor from the viewpoint of usability.
• Examples of the performance of the foam include ease of foaming at the time of washing, foam persistence, foam quality, and foam shape retention. Among these, when the ease of foaming at the time of washing and the persistence of the foam are poor, the user's satisfaction may be lowered.
• a skin cleansing composition excellent in easiness of foaming a personal cleansing composition containing polyoxyethylene alkyl ether sulfate and a betaine-type amphoteric surfactant has been proposed (see, for example, Patent Document 1).
• Patent Document 1 a personal cleansing composition containing polyoxyethylene alkyl ether sulfate and a betaine-type amphoteric surfactant has been proposed (see, for example, Patent Document 1).
• the above proposal has a problem that it is inferior in terms of the persistence of the foam and the ease of spreading on the skin.
• a skin cleanser composition excellent in usability and foam quality a skin cleanser composition containing polyoxyethylene alkyl ether sulfate, betaine-type amphoteric surfactant, and alkylamine oxide has been proposed.
• a skin cleanser composition containing polyoxyethylene alkyl ether sulfate, betaine-type amphoteric surfactant, and alkylamine oxide has been proposed.
• the proposed skin cleanser composition is not satisfactory in terms of foaming ease and foam persistence.
• a skin cleanser composition contains polyoxyethylene alkyl ether sulfate, a betaine-type amphoteric surfactant, and a specific nonionic surfactant and is excellent in stretchability on the skin.
• a skin cleansing composition is less likely to foam, and the skin becomes sticky on the dry wrinkles after washing.
• a skin cleanser composition that is easy to foam and has a good persistence of foam, is easy to stretch on the skin, and has excellent dry wrinkle skin stickiness after washing.
• the present invention provides a skin cleanser composition that has good foaming and foam persistence, is easy to stretch on the skin, and is not sticky to dry wrinkles after washing. With the goal.
• a skin cleansing composition having a mass ratio (C / E) of 20 to 200 with at least one content (mass%) selected from siethylene methyl glucoside is
• the conventional problems can be solved and the object can be achieved.
• Ease of foaming and foam persistence are good, easiness of spreading on the skin, and after washing. It is possible to provide a skin cleanser composition excellent in the dryness of the dry wrinkle skin.
• the skin cleansing composition of the present invention comprises (A) polyoxyethylene alkyl ether sulfate ester salt, (B) alkyldimethylamine oxide, (C) aminoacetic acid betaine type amphoteric surfactant, (D) polyoxyethylene-modified silicone. Or an amino-modified silicone and (E) at least one selected from polyoxyethylene methyl glucoside and dioleic acid polyoxyethylene methyl glucoside, and further containing other components as necessary Clearly Clearly, A) polyoxyethylene alkyl ether sulfate ester salt, (B) alkyldimethylamine oxide, (C) aminoacetic acid betaine type amphoteric surfactant, (D) polyoxyethylene-modified silicone. Or an amino-modified silicone and (E) at least one selected from polyoxyethylene methyl glucoside and dioleic acid polyoxyethylene methyl glucoside, and further containing other components as necessary Clearly
• polyoxyethylene alkyl ether sulfate ester salt ⁇ (A) Polyoxyethylene alkyl ether sulfate ester salt> The polyoxyethylene alkyl ether sulfate ester salt of the component (A) is included to improve foaming ease, foam persistence, easiness of spreading on the skin, and non-stickiness of dry wrinkles after washing. Has been.
• the polyoxyethylene alkyl ether sulfate salt of the component (A) is preferably 10 to 14 carbon atoms in the alkyl group portion of the polyoxyethylene alkyl ether sulfate salt, more preferably 12 from the viewpoint of easy foaming. preferable. When the carbon number is less than 10 or exceeds 14, the ease of foaming may be insufficient.
• the average added mole number of ethylene oxide of the polyoxyethylene alkyl ether sulfate salt of the component (A) is preferably 1 to 5 and more preferably 2 from the viewpoint of foam persistence. If the average added mole number of ethylene oxide is less than 1 or more than 5, the foam persistence may be insufficient.
• Examples of the counter ion of the polyoxyethylene alkyl ether sulfate salt of the component (A) include alkali metal ions such as sodium and potassium; ammonium ions; and alkanolamine complexes such as monoethanolamine, diethanolamine, and triethanolamine. And ions. Among these, alkali metal ions are preferable and sodium ions are more preferable from the viewpoint of easy foaming.
• polyoxyethylene alkyl ether sulfate ester salt of component (A) examples include polyoxyethylene (1) sodium lauryl ether sulfate, polyoxyethylene (2) sodium lauryl ether sulfate (also known as sodium laureth sulfate (2), BASF Japan), polyoxyethylene (3) sodium lauryl ether sulfate (also known as sodium laureth sulfate (3), manufactured by Lion Corporation), polyoxyethylene (4) sodium lauryl ether sulfate, polyoxyethylene (5) lauryl Examples include sodium ether sulfate. These may be used individually by 1 type and may use 2 or more types together.
• polyoxyethylene (2) sodium lauryl ether sulfate and polyoxyethylene (3) sodium lauryl ether sulfate are preferable from the viewpoint of easy foaming and foam persistence.
• the number in () represents the average addition mole number of the ethylene oxide of the said polyoxyethylene alkyl ether sulfate ester salt.
• the content of the polyoxyethylene alkyl ether sulfate salt of the component (A) is a skin cleanser from the viewpoint of easiness of foaming, easiness of spreading on the skin, and non-stickiness of dry wrinkles after washing.
• the content is 5% by mass to 30% by mass with respect to the total amount of the composition, and preferably 10% by mass to 15% by mass.
• the content is less than 5% by mass, easiness of foaming and easiness to stretch on the skin are insufficient, and when it exceeds 30% by mass, the dry wrinkle skin is not sufficiently sticky after washing. It becomes.
• the component (B), alkyldimethylamine oxide is contained in order to improve the ease of foaming and the non-stickiness of the dry wrinkle skin after washing.
• R represents an alkyl group.
• the number of carbon atoms of the alkyl group is preferably 12 to 18 and more preferably 12 from the viewpoint of easy foaming. When the carbon number is less than 12 or exceeds 18, the ease of foaming may be insufficient.
• alkyl dimethyl amine oxide of the component (B) examples include lauryl dimethyl amine oxide, stearyl dimethyl amine oxide, oleyl dimethyl amine oxide, coconut oil alkyl dimethyl amine oxide, and the like. These may be used alone or in combination of two or more. Among these, lauryldimethylamine oxide is preferable from the viewpoint of easy foaming.
• the content of the alkyldimethylamine oxide as the component (B) is 0.5% by mass with respect to the total amount of the skin cleansing composition from the viewpoint of easiness of foaming and non-stickiness of the dry wrinkle skin after washing. -3 mass%, preferably 0.8-1.5 mass%. When the content is less than 0.5% by mass, the foaming property is insufficient, and when it exceeds 3% by mass, the non-stickiness of the dry wrinkled skin becomes insufficient.
• the aminoacetic acid betaine-type amphoteric surfactant (C) is contained in order to improve the easiness of foaming, the persistence of the foam, and the non-stickiness of the dry wrinkle skin after washing.
• component (C) aminoacetic acid betaine amphoteric surfactant examples include alkyldimethylaminoacetic acid betaine, fatty acid amidopropyldimethylaminoacetic acid betaine, and alkyldihydroxyethylaminoacetic acid betaine. These may be used alone or in combination of two or more. Among these, fatty acid amidopropyldimethylaminoacetic acid betaine is preferable from the viewpoint of ease of foaming and foam persistence.
• alkyldimethylaminoacetic acid betaine examples include lauryldimethylaminoacetic acid betaine and stearyldimethylaminoacetic acid betaine. These may be used alone or in combination of two or more.
• fatty acid amidopropyldimethylaminoacetic acid betaine examples include coconut oil fatty acid amidopropyl betaine.
• alkyldihydroxyethylaminoacetic acid betaine include stearyl dihydroxyethylaminoacetic acid betaine.
• lauryldimethylaminoacetic acid betaine and coconut oil fatty acid amidopropyl betaine are preferable, and coconut oil fatty acid amidopropyl betaine is more preferable from the viewpoint of the persistence of foam.
• the content of the aminoacetic acid betaine-type amphoteric surfactant as the component (C) is the total amount of the skin cleansing composition from the viewpoint of easiness of foaming, the persistence of foam, and the non-stickiness of the dry wrinkle skin after washing. Is 1.5% by mass to 5% by mass, preferably 1.8% by mass to 2.5% by mass. When the content is less than 1.5% by mass, the foaming ease and the persistence of the foam are insufficient. When the content exceeds 5% by mass, the non-stickiness of the dry wrinkle skin is insufficient. Become.
• the (D) component polyoxyethylene-modified silicone or amino-modified silicone is contained in order to improve the ease of stretching on the skin and the non-stickiness of the dry wrinkle skin after washing.
• polyoxyethylene-modified silicone or amino-modified silicone one kind may be used alone, or two or more kinds may be used in combination.
• polyoxyethylene-modified silicone is preferable from the viewpoint of non-stickiness of the dry wrinkled skin after washing.
• the average polyoxyethylene degree of polymerization of the polyoxyethylene-modified silicone is preferably 9 to 12 in view of the non-stickiness of the dry wrinkle skin after washing. When the average degree of polymerization is less than 9 or exceeds 12, the non-stickiness of the dry wrinkle skin after washing may be insufficient.
• the polyoxyethylene-modified silicone is a copolymer composed of dimethyl silicone and polyoxyalkylene, and examples thereof include a compound represented by the following general formula (D1).
• n and n are independent integers
• m represents 1 to 20,000
• n represents 1 to 20,000
• a is an independent integer and represents 9-12.
• R represents an alkylene group having 1 to 10 carbon atoms
• R ′ represents an alkyl group having 1 to 10 carbon atoms.
• the polyoxyethylene-modified silicone is preferably a polyoxyethylene / methylpolysiloxane copolymer from the viewpoint of non-stickiness of the dry wrinkled skin after washing.
• a commercially available product can be used as the polyoxyethylene-modified silicone.
• Examples of the commercially available product include PEG-12 dimethicone (product name: SH3771M, manufactured by Toray Dow Corning Co., Ltd., or product name: KF-6017). , Shin-Etsu Chemical Co., Ltd.), PEG-10 dimethicone (product name: ES-5612, Formulation Aid, manufactured by Toray Dow Corning Co., Ltd.), PEG-9 dimethicone (product name: KF-6013, manufactured by Shin-Etsu Chemical Co., Ltd.) ) And the like. These may be used individually by 1 type and may use 2 or more types together.
• the amino-modified silicone is an organosiloxane polymer having at least one aminoalkyl group in one molecule.
• organosiloxane forming the amino-modified silicone polymer those containing a methyl group as a functional group other than an aminoalkyl group are generally used.
• an alkyl group such as an ethyl group and a propyl group; a vinyl group; an alkenyl group such as an allyl group; an aryl group such as a phenyl group and a naphthyl group; a cycloalkyl group such as a cyclohexyl group; a hydroxy group; and a hydroxyalkyl group Can do.
• amino-modified silicone examples include a highly polymerized dimethylsiloxane / methylaminopropylsiloxane copolymer (aminopropyl dimethicone) represented by the following general formula (D2), and aminoethylamino represented by the following general formula (D3).
• Propylmethylsiloxane / dimethylsiloxane copolymer (in the name of Amodimethicone, described in CTFA Dictionary (US Cosmetic Ingredient Dictionary) 3rd edition), aminoethylaminopropylsiloxane / dimethylsiloxane represented by the following general formula (D4)
• Examples thereof include a copolymer (trimethylsilylamodimethicone), or an amino-modified silicone emulsion obtained by adding at least one of methylpolysiloxane and water to the copolymer and emulsifying with a surfactant. These may be used individually by 1 type and may use 2 or more types together.
• the form of oil may be sufficient, and the form of the emulsion emulsified with surfactant may be sufficient.
• Examples of the highly polymerized dimethylsiloxane / methylaminopropylsiloxane copolymer (aminopropyldimethicone) represented by the general formula (D2) include KF-8020 and X-52-2362 (both manufactured by Shin-Etsu Chemical Co., Ltd.). ) And the like. These may be used individually by 1 type and may use 2 or more types together.
• Examples of the aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer represented by the general formula (D3) include SM- 8904C (manufactured by Toray Dow Corning Silicone Co., Ltd.), XF42-B892, XF42-C0330, XS65-C0032, XS65-C0726, SILSOFT 200 EF (all manufactured by Momentive Performance Materials Japan GK) Can be mentioned. These may be used individually by 1 type and may use 2 or more types together.
• Examples of the aminoethylaminopropylsiloxane / dimethylsiloxane copolymer (trimethylsilylamodimethicone) represented by the general formula (D4) include FZ-4671, FZ-4672, BY22-079, SF8452C, and SS-3551 (any of them).
• KF-8004, KF-8015, KF-867S (all manufactured by Shin-Etsu Chemical Co., Ltd.); ADM1650, ADM-8101E, ADM-6057E (all Asahi Kasei Wacker Silicone shares)
• KS65-B4280, XS65-C1539, XS65-6413, XS65-B8124, KF42B1989 (all manufactured by Momentive Performance Materials Japan GK). These may be used individually by 1 type and may use 2 or more types together.
• KF-8020 and X-52 corresponding to the highly polymerized dimethylsiloxane / methylaminopropylsiloxane copolymer represented by the above general formula (D2) from the point of non-stickiness of the skin after drying.
• -2362, SM-8904C corresponding to an emulsion of an aminoethylaminopropylmethylsiloxane-dimethylsiloxane copolymer represented by the above general formula (D3)
• aminoethylaminopropylsiloxane represented by the above general formula (D4) KF-8004 corresponding to an emulsion of dimethylsiloxane copolymer is preferred.
• the content of the polyoxyethylene-modified silicone or amino-modified silicone of the component (D) is the total amount of the skin cleanser composition from the viewpoint of ease of stretching on the skin and the non-stickiness of the dry wrinkle skin after washing.
• the silicone content is 1% by mass to 3% by mass, and preferably 1.5% by mass to 2.5% by mass. When the content is less than 1% by mass, the dry stickiness of the skin after washing is insufficient, and when it exceeds 3% by mass, the stretchability on the skin is insufficient.
• At least one selected from polyoxyethylene methyl glucoside and dioleic acid polyoxyethylene methyl glucoside At least one selected from polyoxyethylene methyl glucoside and dioleic acid polyoxyethylene methyl glucoside>
• the (E) component at least one selected from the dioleic acid polyoxyethylene methyl glucoside and the trioleic acid polyoxyethylene methyl glucoside is contained to improve the easiness of spreading on the skin and the persistence of foam. Has been.
• the at least one selected from the dioleic acid polyoxyethylene methyl glucoside and the trioleic acid polyoxyethylene methyl glucoside of the component (E) may be used alone or in combination of two or more. Also good. Among these, trioleic acid polyoxyethylene methyl glucoside is preferable from the viewpoint of foam persistence.
• dioleic acid polyoxyethylene methyl glucoside examples include polyethylene glycol ether composed of a diester of oleic acid and methyl glucose.
• dioleic acid polyoxyethylene methylglucoside examples include PEG-120 methylglucose dioleate.
• the PEG-120 methylglucose dioleate is a display name defined by the Japan Cosmetic Industry Association.
• trioleic acid polyoxyethylene methyl glucoside examples include polyethylene glycol ether composed of triester of oleic acid and methyl glucoside.
• examples of the trioleic acid polyoxyethylene methyl glucoside include PEG-120 methyl glucose trioleate.
• the PEG-120 methyl glucose trioleate is a display name defined by the Japan Cosmetic Industry Association.
• the content of at least one selected from dioleic acid polyoxyethylene methyl glucoside and trioleic acid polyoxyethylene methyl glucoside as the component (E) is easy to stretch on the skin and foam persistence.
• it In terms of the total amount of the skin cleanser composition, it is 0.02% by mass to 0.1% by mass, preferably 0.05% by mass to 0.08% by mass.
• the content is less than 0.02% by mass, the persistence of the foam becomes insufficient, and when it exceeds 0.1% by mass, the ease of stretching on the skin becomes insufficient.
• the content (mass%) of the polyoxyethylene-modified silicone or amino-modified silicone as the component (C) and the diolein acid polyoxyethylene methyl glucoside and trioleic acid polyoxyethylene methyl glucoside as the component (E) are selected.
• the mass ratio (C / E) to the content (mass%) of at least one kind is 20 to 200, preferably 25 to 40, from the viewpoint of easiness of stretching on the skin and the persistence of foam. When the mass ratio (C / E) is less than 20, the ease of stretching on the skin becomes insufficient, and when it exceeds 200, the persistence of the foam becomes insufficient.
• ⁇ Other ingredients> in addition to the components (A) to (E), other components can be added to the skin cleansing composition as long as the effects of the present invention are not impaired.
• other component it can select suitably from what is normally used for skin cleansing composition,
• the amphoteric surfactant except the said (B) component and the said (C) component (E) Nonionic surfactant excluding component; lanolin derivative, protein derivative, acrylic resin dispersion, cationic polymer, anionic polymer, nonionic polymer, vitamin and other drugs; bactericidal agent, preservative, pH adjuster, Examples thereof include antioxidants, metal sequestering agents, ultraviolet absorbers, animal and plant extracts, and derivatives thereof, pigments, fragrances, pigments, inorganic powders, clay minerals, water-insoluble polymer powders such as nylon and polyethylene, and water.
• the pH at 25 ° C. of the skin cleansing composition is preferably 4 to 6 from the viewpoint of easy foaming. When the pH is less than 4 or exceeds 6, the ease of foaming may be insufficient.
• the pH of the skin cleansing composition can be adjusted by adding at least one of potassium hydroxide and citric acid while confirming the pH after mixing all the components. More specifically, the purified water is balanced and mixed and stirred so that the total of components other than at least one of potassium hydroxide and citric acid is about 90% by mass. If necessary, it may be heated. During mixing and stirring, at least one of aqueous solutions such as potassium hydroxide and citric acid is gradually added, and each is added to the target pH while measuring the pH.
• the remaining purified water is finally added, and water is added so that the total becomes 100% by mass, and the final pH can be measured.
• the pH can be measured, for example, with a pH meter (trade name: “HM-30V”, manufactured by Toa DKK Corporation).
• the viscosity at 25 ° C. of the skin cleanser composition is preferably 500 mPa ⁇ s to 10,000 mPa ⁇ s, more preferably 1,000 mPa ⁇ s to 5,000 mPa ⁇ s, from the viewpoint of ease of stretching on the skin. preferable. If the viscosity is less than 500 mPa ⁇ s or more than 10,000 mPa ⁇ s, the ease of stretching on the skin may be insufficient.
• Examples of the method for producing the skin cleansing composition include a method including the following steps 1 to 3.
• Step 1 Uniformly dissolve the mixture of the components (A) to (E) and, if necessary, the other water-soluble components and purified water in an amount corresponding to about 10% by mass of the total amount, Mixture 1 is obtained.
• Step 2 If necessary, a mixture of the other oil-soluble components (for example, isopropylmethylphenol, fragrance, etc.) is uniformly dissolved to obtain a mixture 2.
• Step 3 Add the mixture 2 to the mixture 1 with stirring and mix.
• ⁇ Container> There is no restriction
• olefin resin polyethylene, polypropylene, etc.
• the skin cleanser composition is suitable as a product such as a hand soap, body soap, or facial cleansing foam.
• a hand soap body soap
• facial cleansing foam a product such as a hand soap, body soap, or facial cleansing foam.
• it is easy to foam and the persistence of the foam, is easy to stretch on the skin, and is washed. It is advantageous in that it is excellent in the non-stickiness of the skin of the later dry wrinkles.
• % represents “% by mass”, and the amounts of the components described in the examples and comparative examples are all converted to pure components except for the mulberry extract.
• mass ratio (C / E) of the content (mass%) of the component (C) and the content (mass%) of the component (E) is rounded to one decimal place. Obtained and listed up to 1st place.
• Examples 1 to 31 and Comparative Examples 1 to 23 skin cleanser compositions of Examples 1-31 and Comparative Examples 1-23 were prepared by a conventional method. Specifically, the component (A), the component (B), the component (C), the component (D), the component (E), glycol distearate, sodium benzoate, and purified water are mixed at 25 ° C. using a paddle stirrer. And uniformly mixed to obtain a mixture. A solution obtained by dissolving isopropylmethylphenol in a fragrance was added to the obtained mixture with stirring. At this time, the amount of purified water was adjusted to 90% by mass of the whole. Subsequently, the pH was adjusted to 5.2 using citric acid.
• the pH was 5.2 in all Examples and Comparative Examples.
• the pH was measured using a pH meter (HM-30R, manufactured by Toa DKK Corporation).
• the obtained skin cleansing composition was filled in a container with a pump dispenser (discharge amount 1 mL, nozzle diameter (inner diameter) 3.5 mm, manufactured by Canyon) and used for each evaluation.
• Example 32 About the skin cleansing composition of Example 32, the same as in Example 1, “Ease of foaming”, “Durability of foam”, “Ease of spreading on skin”, and “Dry wrinkle skin after washing” "No stickiness” was evaluated. The results are shown in Table 2.
• Examples of the aspect of the present invention include the following. ⁇ 1> (A) 5% by mass to 30% by mass of polyoxyethylene alkyl ether sulfate ester salt; (B) Alkyldimethylamine oxide 0.5 mass% to 3 mass%, (C) 1.5% by mass to 5% by mass of an aminoacetic acid betaine type amphoteric surfactant; (D) 1% by mass to 3% by mass of polyoxyethylene-modified silicone or amino-modified silicone; (E) 0.02% by mass to 0.1% by mass of at least one selected from dioxyleic acid polyoxyethylene methyl glucoside and trioleic acid polyoxyethylene methyl glucoside, Content (mass%) of the (C) aminoacetic acid betaine type amphoteric surfactant and at least one content selected from the (E) dioxyleic acid polyoxyethylene methyl glucoside and trioleic acid polyoxyethylene methyl glucoside A skin cleanser composition having a mass ratio (C / E) to an amount (mass
• the skin cleanser composition of the present invention has good foaming ease and foam persistence, is easy to stretch on the skin, and has excellent dry wrinkle skin stickiness after washing. It is suitable for products such as body soaps and facial cleansing foams.

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