WO2012029514A1 - 頭皮頭髪洗浄用組成物 - Google Patents
頭皮頭髪洗浄用組成物 Download PDFInfo
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- WO2012029514A1 WO2012029514A1 PCT/JP2011/068154 JP2011068154W WO2012029514A1 WO 2012029514 A1 WO2012029514 A1 WO 2012029514A1 JP 2011068154 W JP2011068154 W JP 2011068154W WO 2012029514 A1 WO2012029514 A1 WO 2012029514A1
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- 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
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- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
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- 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
- A61K8/42—Amides
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- 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
- A61K8/442—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof substituted by amido group(s)
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- 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
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- 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
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
- A61K8/4946—Imidazoles or their condensed derivatives, e.g. benzimidazoles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/02—Preparations for cleaning the hair
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/12—Preparations containing hair conditioners
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- 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
- C11D1/04—Carboxylic acids or salts thereof
- C11D1/10—Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof
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- 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
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- 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
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- 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
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- 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
Definitions
- the present invention relates to a scalp and hair washing composition having an appropriate viscosity and having a conditioning effect and excellent usability.
- hair makeup containing an anionic surfactant, a water-soluble resin and a nonionic surfactant and / or an amphoteric surfactant. Fees are known (Patent Document 1).
- Acylamino acid-based surfactants are used in body and hair cleaning agents as superior surfactants with low irritation that have a cleaning action without damaging skin and hair (Patent Document 2).
- cleaning agents such as body soaps and shampoos are used by being taken out of containers into palms, and therefore need to have an appropriate viscosity.
- the viscosity of the hair cleansing agent is low.
- a method of adding a thickener such as guagam is used, but depending on the thickener such as polysaccharide, there are problems such as color change such as cloudiness and precipitation due to the addition. It is known. From the problem of color change and precipitation when the above thickener is added, as one solution, a method of increasing the viscosity by combining a nonionic surfactant with an anionic surfactant is known. In the case where an acylamino acid type anionic surfactant is contained as a main cleaning component, even if a nonionic component is added, its thickening action is not exhibited, and it has been difficult to increase the viscosity.
- acylamino acid surfactant when used as a main cleaning component, there is a problem that the viscosity becomes low and it is difficult to use, so in fact, acylamino acid surfactants are limited to use at low concentrations. It is done. As a result, the conditioning effect expected for acylamino acid surfactants is reduced, and the conditioning effect is enhanced by adding components such as silicone. However, there is a problem that silicone accumulates in the hair and scalp and gives a greasy feel.
- a cleaning composition using an acylamino acid surfactant at a high concentration has a problem of less foaming.
- the present invention provides a cleaning composition having an appropriate viscosity and containing a high content of an acylamino acid surfactant. Moreover, it aims at providing the composition which also has the outstanding conditioning effect
- a specific amphoteric surfactant and a nonionic surfactant are fixed in a cleaning composition containing a high content of acylamino acid surfactant. It has been found that by containing in a range, an appropriate viscosity can be exhibited without using a thickener. Furthermore, the addition of a cationic polymer to the above three components has led to the completion of a cleaning composition having low scalp irritation and further high hair protecting action.
- the present invention provides a cleaning agent that satisfies the customer's convenience and feeling of use as a cleaning agent, and also has a conditioning action without blending silicone or the like, and in particular, can be used as a shampoo or a conditioning shampoo.
- the present invention comprises an acylamino acid-based anionic surfactant component in an amount of 5 to 20% by weight higher than that normally used, a betaine amphoteric surfactant and a nonionic surfactant, and 300 mPa ⁇ It is a composition having a high viscosity of s or more. Furthermore, by incorporating a cationic polymer, the cleaning composition has a high coacervate-forming ability, and can be made into a cleaning composition that is excellent in conditioning effects such as repair of damaged hair. The present invention has been completed by further studies based on these findings.
- the present invention provides the following composition.
- the acylamino acid surfactant of component (a) has the following formula: R—NH—CH (COOX 1 ) ((CH 2 ) n COOX 2 ) [Where: R is an acyl group having 8 to 20 carbon atoms, n is 1 or 2, X 1 and X 2 are each independently hydrogen, an alkali metal, an alkaline earth metal, an ammonium group, or a cationic residue of a basic amino acid or alkanolamine]
- R is selected from the group consisting of capryloyl group, caprynoyl group, lauroyl group, myristoyl group, palmitoyl group, stearoyl group, oleoyl group, palm oil fatty acid acyl group, palm kernel oil fatty acid acyl group, and hardened tallow fatty acid acyl group.
- Item 4 Any one of Items 1 to 3 above, wherein the acylamino acid surfactant of component (a) is an anionic surfactant selected from the group consisting of lauroyl aspartic acid, cocoyl glutamic acid, and salts thereof.
- the cleaning composition according to any one of the above.
- Item 5 The cleaning according to any one of Items 1 to 4, wherein the component (a) has an acylamino acid surface activity of 7 to 15% by weight and the component (c) has a nonionic surfactant content of 2 to 5% by weight. Composition.
- Item 6. The cleaning composition according to any one of Items 1 to 5, wherein the amount of component (b) is 0.5 to 7 times the weight of component (c).
- Component (c) nonionic surfactant is polyoxyalkylene addition type, polyoxypropylene / ethylene addition type, amine oxide type, mono- or diethanolamide type, glycerin fatty acid ester, sorbitan fatty acid ester, sucrose fatty acid ester, curing Item 7.
- the cleaning composition according to any one of Items 1 to 6, wherein the composition is selected from castor oil-based, alkyl ether-based, and alkyl glucoside-based nonionic surfactants.
- Item 8 The cleaning composition according to any one of Items 1 to 7, further comprising component (d): a cationic polymer in an amount of 0.025 to 1 times the weight of component (a). object.
- Item 9 The cleaning composition according to Item 8, wherein the cationic polymer of component (d) comprises cationized cellulose and / or dimethyldiallylammonium chloride / acrylamide copolymer.
- component (e) anionic surfactant other than component (a) 0.1 to 5% by weight 10.
- the anionic surfactant of component (e) is an anionic surfactant having an acyl group having 6 to 20 carbon atoms and a taurine skeleton, an anionic surfactant having an acyl group having 6 to 20 carbon atoms and an alanine skeleton, and Item 11.
- Item 12. The cleaning composition according to any one of Items 1 to 11, which is applied to scalp and hair.
- Component (a) 5-20% by weight of an acylamino acid-based anionic surfactant having an aspartic acid or glutamic acid group
- Component (b) Betaine amphoteric surfactant
- Component (c) Nonionic surfactant
- Component (d) Cationic polymer
- a composition comprising: Component (b) is 0.25 to 2 times the weight of component (a), Component (c) is 0.1 to 1 times the weight of component (a), The scalp / hair washing composition, wherein component (d) is 0.025 to 1 times the weight of component (a).
- Item 14 The scalp / hair washing product according to item 13, wherein a coacervate is formed when the washing composition is diluted 5 to 100 times with water. Composition.
- Item (e) The scalp and hair washing composition according to Item 13 or 14, further comprising an anionic surfactant other than component (a).
- the anionic surfactant of component (e) is an anionic surfactant having an acyl group having 6 to 20 carbon atoms and a taurine skeleton or an alanine skeleton and / or an alkyl group and / or alkenyl group having 10 to 20 carbon atoms.
- the scalp and hair washing composition according to any one of Items 13 to 15, wherein the composition is selected from the group consisting of a sulfonic acid having an anionic surfactant that is a salt thereof.
- Item 17 The scalp hair washing item according to any one of Items 13 to 16, wherein the component (e) is cocoylmethyltaurine, caproylmethyltaurine, lauroylmethylalanine, tetradecenesulfonic acid and a salt thereof. Composition.
- a cleaning composition comprising:
- Item (d) The scalp according to Item 18, further comprising a cationic polymer, the component (d) being contained in an amount of 0.025 to 1 times the weight of the component (a). A composition for cleaning hair.
- the cleaning composition of the present invention has an appropriate viscosity while containing a high concentration of an acylamino acid surfactant. Moreover, this invention can provide the composition for scalp and hair washing
- the cleaning composition of the present invention contains a betaine amphoteric surfactant and a nonionic surfactant together with a predetermined amount of acylamino acid surfactant.
- the cleaning composition of the present invention can provide a composition having a viscosity suitable for a cleaning composition, low scalp irritation, and a conditioning effect.
- a cationic polymer added to the present composition, the formation of coacervate is promoted, and the smoothness of hair such as suppleness during washing and fingering after drying can be further enhanced.
- FIG. 5 shows changes in coacervate formation due to dilution of a cleaning liquid obtained by adding a cationic polymer to an acylamino acid surfactant, a betaine amphoteric surfactant and a nonionic surfactant in Test Example 5-1. .
- Test Example 5-2 changes in coacervate formation due to dilution of a cleaning liquid in which an acylamino acid surfactant, a betaine amphoteric surfactant, and a nonionic surfactant were further combined with a plurality of types of cationic polymers.
- the cleaning composition of the present invention is characterized in that it contains 5 to 20% by weight of an acylamino acid surfactant and contains a betaine amphoteric surfactant and a nonionic surfactant.
- the cleaning composition of the present invention can be used, for example, for scalp and / or hair and systemic cleaning, and specifically includes scalp and hair shampoos and conditioning shampoos. Can also be used as a shampoo.
- the acylamino acid surfactant used in the present invention is a surfactant containing an acylamino acid, and in particular, an anionic surfactant containing an acylamino acid.
- acylamino acid surfactant used in the present invention may be in a form in which two or more amino acid groups are added.
- the acylamino acid surfactant used in the present invention may contain two or more types of acylamino acid surfactants.
- the acyl group of the acylamino acid surfactant is a carbonyl group having a linear or branched saturated or unsaturated hydrocarbon group.
- Acyl groups include, for example, caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, palmitic acid, oleic acid, linoleic acid, linolenic acid, coconut oil fatty acid, castor oil fatty acid, Examples include acyl groups derived from olive oil fatty acid, palm oil fatty acid, palm kernel oil fatty acid, hardened beef tallow fatty acid and the like.
- the number of carbon atoms of the acyl group is not particularly limited, but is preferably 8 to 20 carbon atoms, and more preferably 10 to 15 carbon atoms from the viewpoint of effectiveness such as after hair washing.
- acyl amino acid surfactant examples include lauroyl aspartic acid, cocoyl glutamic acid, myristoyl glutamic acid, coconut oil fatty acid acyl glutamic acid, lauroyl methyl alanine, cocoyl sarcosine, cocoyl glycine, and salts thereof, and the salt is sodium.
- metal salts such as salts, potassium salts, lithium salts, magnesium salts, and calcium salts, ammonium salts, amine salts, basic amino acid salts, choline salts, and the like can be given.
- the type of amino acid group contained in the acylamino acid surfactant is preferably an acidic amino acid group such as aspartic acid and glutamic acid. More preferred acylamino acid surfactants include lauroyl aspartic acid, cocoyl glutamic acid, and salts thereof, which are available as Aminoformer (trademark) and Aminosurfact (trademark) (Asahi Kasei Chemicals). it can.
- anionic surfactant having an acyl group having 10 to 15 carbon atoms and an acidic amino acid group that are optimally used in the present invention include lauroyl aspartic acid, cocoyl glutamic acid, and salts thereof.
- Preferred acylamino acid surfactants include palmitoyl aspartate 2TEA, diethyl palmitoyl aspartate, sodium lauroyl aspartate, zinc lauroyl aspartate, capryloyl glutamate 2Na, cocoyl glutamate, cocoyl glutamate 2Na, cocoyl glutamate K, cocoyl glutamate Na , Cocoyl glutamate TEA, dilauroyl glutamate Mg, dilauroyl glutamate lysine Na, stearoyl glutamate, stearoyl glutamate 2Na, stearoyl glutamate Al, stearoyl glutamate K, stearoyl glutamate Na, stearoyl
- the acylamino acid surfactant used in the present invention may contain two or more kinds of acylamino acid surfactants.
- R is an acyl group having 8 to 20 carbon atoms (more preferably 10 to 15 carbon atoms); n is 1 or 2, X 1 and X 2 are each independently hydrogen, alkali metals (eg, sodium, potassium), alkaline earth metals (eg, calcium, magnesium), ammonium groups, or basic amino acids (eg, lysine, arginine) or alkanolamines ( For example, diethanolamine, triethanolamine))
- alkali metals eg, sodium, potassium
- alkaline earth metals eg, calcium, magnesium
- ammonium groups eg, or basic amino acids (eg, lysine, arginine) or alkanolamines ( For example, diethanolamine, triethanolamine)
- R examples include capryloyl group, caprinoyl group, lauroyl group, myristoyl group, palmitoyl group, stearoyl group, oleoyl group, coconut oil fatty acid acyl group, palm kernel fatty acid acyl group, and hardened tallow fatty acid acyl group.
- R having 10 to 15 carbon atoms examples include a caprinoyl group, a lauroyl group, a myristoyl group, and a coconut oil fatty acid acyl group.
- the content of the acylamino acid surfactant in the cleaning composition of the present invention is preferably 5 to 20% by weight, more preferably 7 to 15% by weight, still more preferably 7.5 to 12% by weight.
- amphoteric surfactant used in the present invention means a surfactant having both a cation (cation group) and an anion (anion group).
- an amphoteric surfactant having a betaine skeleton (including a partially substituted form) (hereinafter referred to as betaine-based amphoteric surfactant) is suitable.
- betaine amphoteric surfactant examples include, for example, lauryl dimethyl betaine, myristyl dimethyl betaine, palmityl dimethyl betaine, stearyl dimethyl betaine, oleyl dimethyl betaine, coconut oil alkyl dimethyl betaine, lauryl methyl ethyl betaine, lauryl dihydroxy ethyl betaine.
- Alkyl carboxybetaines such as stearyl dihydroxyethyl betaine and coconut oil alkyldihydroxyethyl betaine; ether carboxybetaines such as octadecyloxymethyldimethylbetaine; amidopropyl dimethyl betaine laurate, amidopropyl dimethyl betaine myristate, amidopropyl dimethyl betaine stearate, Oleic acid amidopropyl dimethyl betaine, palm oil fatty acid amidopropyl di Carboxybetaines including amide betaine such as tilbetaine and amidopropyl betaine laurate; alkyl sulfones such as lauryldimethylhydroxypropylsulfobetaine, myristyldimethylhydroxypropylsulfobetaine, lauryldimethylpropylsulfobetaine, coconut oil alkyldimethylpropylsulfobetaine Sulfobetaine type including amide sulf
- the betaine surfactant used preferably has a betaine skeleton and a fatty acid having 10 to 18 carbon atoms. There is a concern that the fatty acid having a carbon number below that is irritating, and that the above is reduced in foaming.
- the betaine amphoteric surfactant used in the present invention may contain two or more types of betaine amphoteric surfactants.
- the content of the betaine amphoteric surfactant in the cleaning composition of the present invention is 1 to 20% by weight, preferably 2 to 15% by weight, and more preferably 3 to 10% by weight.
- the nonionic surfactant used in the present invention is not particularly limited as long as it is a component that can generally be used in cosmetics and the like.
- polyoxyethylene (POE) alkyl ether POE polyoxypropylene glycol , POE aryl ether, POE hydrogenated castor oil ether, POE castor oil ether, POE lanolin alcohol ether, POE glycerin fatty acid ester (eg POE monococonut oil fatty acid glyceryl), POE sorbitan fatty acid ester (eg POE sorbitan triisostearate), POE sorbitol fatty acid ester , Polyethylene glycol fatty acid ester, glycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, ethylene glycol fatty acid ester Propylene glycol fatty acid ester, butylene glycol fatty acid ester (for example, lauroyl butylene glycol),
- nonionic surfactants that can be used in the present invention include ether type nonionic surfactants having a structure obtained by condensing alkyl glycol and propylene glycol, such as lauryl glycol hydroxypropyl ether or myristyl. And glycol hydroxypropyl ether.
- nonionic surfactant used in the present invention polyoxyalkylene addition type (for example, lauroylbutylene glycol), polyoxypropylene / ethylene addition type, amine oxide type, mono- or diethanolamide type (for example, coconut oil fatty acid methyl) Ethanolamide), glycerin fatty acid esters (eg POE monococonut oil fatty acid glyceryl), sorbitan fatty acid esters (eg POE sorbitan triisostearate), sucrose fatty acid esters, hydrogenated castor oil, alkyl ethers (eg lauryl glycol hydroxypropyl ether) and Examples thereof include alkyl glucoside nonionic surfactants.
- alkyl ethers eg lauryl glycol hydroxypropyl ether
- alkyl glucoside nonionic surfactants examples include alkyl glucoside nonionic surfactants.
- the nonionic surfactant used in the present invention may contain two or more types of nonionic surfactants.
- the content of the nonionic surfactant in the cleaning composition of the present invention is 1.5 to 10% by weight, preferably 2 to 5% by weight.
- the composition since it uses for washing
- the preferred viscosity is 300 to 4000 mPa ⁇ s, and more preferably 400 to 3000 mPa ⁇ s.
- the composition can be in an appropriate use state when used as a body soap or shampoo when being taken from the container.
- a measuring method of a viscosity For example, the viscosity measuring method by a B-type viscometer is mentioned, A rotor No. is 20 degreeC.
- 2 or 3 can be measured at 12 or 30 revolutions per minute, and also the Japanese Pharmacopoeia (general test method, viscosity measurement method, second method (2) rotational viscometer method, single cylindrical rotation Examples also include viscometers, 20 ° C., 12 or 30 revolutions per minute, rotor No. 2 or 3).
- the preferred content of the betaine amphoteric surfactant in the cleaning composition of the present invention is 0.25 to 2 times, preferably 0, when the content weight of the acylamino acid surfactant is 1.
- the amount is preferably 3 to 1.5 times, more preferably 0.4 to 1 times.
- the preferred content of the nonionic surfactant in the cleaning composition of the present invention is 0.1 to 1 times, preferably 0.15 when the content weight of the acylamino acid surfactant is 1. It is desirable that the amount be in the range of ⁇ 0.7 times, more preferably 0.2 to 0.5 times.
- the betaine amphoteric surfactant when the content of the nonionic surfactant is 1, the betaine type It is desirable that the amphoteric surfactant is in the range of 0.5 to 7 times, more preferably 1 to 5 times, and still more preferably 1.5 to 3 times.
- component (d): a cationic polymer compound by further adding component (d): a cationic polymer compound, the formation of coacervate can be promoted to further enhance the hair conditioning effect, and the finish after washing can be further improved.
- the type of the cationic polymer used in the present invention is not particularly limited as long as it contains a cationic group.
- O- [2-hydroxy-3- (trimethylammonio) propyl chloride] chloride Cationized cellulose such as hydroxyethylcellulose and hydroxytrimethylammoniopropylhydroxyethylcellulose chloride, cationized hydrolyzed protein, cationized vinyl or acrylic polymer (for example, dimethyldiallylammonium chloride / acrylamide copolymer) and mixtures thereof Is mentioned.
- Cationized cellulose or cationized vinyl or acrylic polymers are preferred.
- Further examples of the cationic polymer include, for example, polyquaternium-4 / hydroxypropyl starch copolymer, polyquaternium-10, polyquaternium-11, polyquaternium-64, polyquaternium-7, and the like.
- the cationic polymer used in the present invention may contain two or more kinds of cationic polymers.
- the content of the cationic polymer in the cleaning composition of the present invention it is desirable to adjust the blending amount according to the acylamino acid surfactant for the formation of coacervate.
- the content weight is 1, it is desired to be in the range of 0.025 to 1 times, preferably 0.03 to 0.6 times, and more preferably 0.04 to 0.5 times.
- the coacervate (or coacervation) referred to in the present invention is an insoluble complex formed in a specific concentration region when a cleaning liquid (shampoo) containing a surfactant and a cationic polymer is diluted with water.
- a cleaning liquid shampoo
- Generation contributes to hair conditioning by reducing friction between hair and fingers, producing a good feeling of slipping and fingering, and improving the fingering and combing of hair after washing.
- the formation of the coacervate is maintained at the time of washing the hair, particularly at the time of rinsing, thereby providing a hair conditioning effect after washing.
- the coacervate effect of the cleaning composition of the present invention is not only when scalp and hair are washed (relative concentration is usually 0.1 to 0.2 when the washing stock solution is 1), but also after rinsing after washing (washing). Even if the relative concentration when the stock solution is 1 is usually 0.1 or less), the coacervate effect can be expected in a wide use location.
- the pH of the cleaning composition in the present invention is not particularly limited as long as it is a range usually used for scalp and scalp hair. However, in order to improve the formation of coacervate, it is desirable to adjust the pH to a specific range. .
- the desired pH is in the range of 4-8, more preferably in the range of 4-6.5 to stabilize the viscosity in production.
- component (e): anionic surfactant can further be added in order to supplement the quick-foaming property of acylamino acid type surfactant.
- the anionic surfactant is preferably an anionic surfactant other than an acylamino acid group (component (a)) having an amino acid group such as aspartic acid or glutamic acid.
- acylamino acid group component (a) having an amino acid group such as aspartic acid or glutamic acid.
- acylamino acid group component (a) having an amino acid group such as aspartic acid or glutamic acid.
- anionic surfactant includes an anionic surfactant having an acyl group (preferably having 6 to 20 carbon atoms) and a taurine skeleton or an alanine skeleton, such as cocoyl methyl taurine, caproyl methyl taurine, Examples include lauroylmethylalanine and salts thereof, and sulfonic acids having an alkyl group and / or alkenyl group having 10 to 20 carbon atoms, such as alkylbenzene sulfonic acid and tetradecene sulfonic acid or salts thereof.
- the anionic surfactant used in the present invention may contain two or more types of anionic surfactants.
- anionic surfactant having an acyl group and a taurine skeleton examples include the following formula: RN (CH 3 ) ((CH 2 ) 2 SO 3 X 1 ) [Where: R is an acyl group having 6 to 20 carbon atoms, X 1 is hydrogen, alkali metal (eg, sodium, potassium), alkaline earth metal (eg, calcium, magnesium), ammonium group, or basic amino acid (eg, lysine, arginine) or alkanolamine (eg, diethanolamine, triethanolamine) Is a cationic residue of Specifically, cocoyl methyl taurine and caproyl methyl taurine are included.
- the acyl group has the same meaning as that described for the acylamino acid surfactant, for example, caproyl group, capryloyl group, caprinoyl group, lauroyl group, myristoyl group, palmitoyl group, stearoyl group, oleoyl group, Examples include coconut oil fatty acid acyl group, palm kernel oil fatty acid acyl group, and hardened beef tallow fatty acid acyl group.
- An anionic surfactant having an acyl group and an alanine skeleton is, for example, The following formula: RN (CH 3 ) ((CH 2 ) 2 COOX 1 ) [Where: R is an acyl group having 6 to 20 carbon atoms, X 1 is hydrogen, alkali metal (eg, sodium, potassium), alkaline earth metal (eg, calcium, magnesium), ammonium group, or basic amino acid (eg, lysine, arginine) or alkanolamine (eg, diethanolamine, triethanolamine) Is a cationic residue of And specific examples include lauroylmethylalanine.
- the acyl group has the same meaning as that described for the acylamino acid surfactant, for example, caproyl group, capryloyl group, caprinoyl group, lauroyl group, myristoyl group, palmitoyl group, stearoyl group, oleoyl group, Examples include coconut oil fatty acid acyl group, palm kernel oil fatty acid acyl group, and hardened beef tallow fatty acid acyl group.
- Preferred examples of the sulfonic acid having an alkyl group and / or alkenyl group having 10 to 20 carbon atoms in the present invention include alkyl (C 10-14 ) benzenesulfonic acid, ⁇ -olefin (C 10-20 ) sulfonic acid, Examples include ⁇ -olefin (C 12-16 ) sulfonic acid, ⁇ -olefin (C 12-14 ) sulfonic acid, and ⁇ -olefin (C 14-16 ) sulfonic acid.
- the compounding amount of the anionic surfactant added for the purpose of supplementing the above rapid foaming property is 0.1 to 5% by weight, preferably 1 to 4% by weight in the composition.
- the content of the anionic surfactant of the component (e) added for the purpose of supplementing the rapid foaming property in the cleaning composition of the present invention the content of the acylamino acid surfactant of the component (a)
- the weight it is desirable to be 0.01 to 0.6 times, preferably 0.1 to 0.5 times.
- various refreshing ingredients can be blended for the purpose of enhancing the refreshing feeling while keeping the irritation low.
- the refreshing ingredients to be blended are not limited in the form of natural origin, synthetic products, salts thereof, ingredients containing them, etc., and they are used alone or in combination of two or more. May be.
- the refreshing component to be blended is preferably an essential oil that imparts a refreshing feeling, a plant-derived component, or the like.
- the content of the refreshing component in the cleaning composition of the present invention is preferably 0.1% by weight or more, and particularly preferably in the range of 0.2 to 0.6% by weight.
- an amount higher than that is included there is a possibility of accompanying irritation to the skin, so that the advantage of the acylamino acid surfactant may be impaired.
- the silicone component used in the description of the present invention includes, for example, a polymer having silicon oxide (SiO) as a basic skeleton, and a polymer in which a hydrophilic substituent is introduced into the polymer.
- a polymer having silicon oxide (SiO) as a basic skeleton and a polymer in which a hydrophilic substituent is introduced into the polymer.
- amino-modified silicone epoxy-modified silicone, carboxyl-modified silicone, carbinol-modified silicone, methacryl-modified silicone, mercapto-modified silicone, phenol-modified silicone, one-end reactive silicone, different functional group-modified silicone, polyether-modified silicone, methylstyryl
- modified silicone alkyl-modified silicone, higher fatty acid ester-modified silicone, hydrophilic specially modified silicone, higher alkoxy-modified silicone, higher fatty acid-containing silicone, and fluorine-modified silicone are also included in the silicone component used in the description of the present invention.
- not containing a silicone component means that it is substantially not contained unless it is contained in a carryover or a preservation solution. Moreover, not containing an effective amount of a silicone component means not containing a concentration that exerts a conditioning effect such as a hair coating effect.
- composition of the present invention does not need to contain a thickener (for example, guar gum such as cellulose gum, guar gum, gellan gum, sclerotium gum, cellulose gum) and the like to improve the viscosity, it has high transparency. It can be a composition.
- a thickener for example, guar gum such as cellulose gum, guar gum, gellan gum, sclerotium gum, cellulose gum
- an antioxidant such as sodium sulfite or a colorant is added, for example, 0.01 to 0.5% by weight. You may mix
- the coloring is easy, and an expected color tone can be obtained by adding a commercially available coloring agent.
- the composition of the present invention can contain a solvent used in the cleaning composition.
- Preferred solvents include water and dipropylene glycol.
- the preferred dipropylene glycol content is 0.5 to 5% by weight.
- water is used in the composition of the present invention, the amount thereof depends on other components, and an appropriate amount can be blended.
- components usually contained in the cleaning composition may be included.
- the “components included in the normal cleaning composition” of the present invention include the above-mentioned surfactants, polymer components, moisturizers, preservatives, bactericides such as isopropylmethylphenol, and anti-inflammatory agents such as glycyrrhizin. , PH adjusting agents such as sodium hydroxide and citric acid, metal sequestering agents such as EDTA, isotonic agents, and fragrances.
- the treatment component for further protecting the surface of hair may be included.
- the cleaning composition of the present invention may appropriately contain an active ingredient.
- the active ingredient here means an ingredient that gives beneficial effects to the scalp and hair in addition to a hair-growth ingredient, hair growth ingredient, deodorant, anti-dandruff ingredient, etc., and the ingredient is particularly limited. is not.
- active ingredients include, for example, milk-derived ingredients such as adenosine, adenosine phosphate, vitamins, minerals, edetic acid, whey, carpronium chloride, chamomile oil, hinokitiol, benzylaminopurine, minoxidil, finasteride and salts thereof
- dairy-derived ingredients such as adenosine, adenosine phosphate, vitamins, minerals, edetic acid, whey, carpronium chloride, chamomile oil, hinokitiol, benzylaminopurine, minoxidil, finasteride and salts thereof
- derivatives, seaweed-derived components such as ginkgo, ginkgo, aloe, garlic, licorice, chamomile, fennel, tincture, assembly, millet, carrot, buttonpi, cordyceps, fucoidan, chitofilmer, salicylic acid, ifcitol and the
- Test Example 1 Examination of Change in Usability Depending on the Amount of Acyl Amino Acid Surfactant As shown in Table 1, for the purpose of examining the change in feel as a hair washing agent depending on the type, amount and combination of acyl amino acid surfactants A cleaning agent was prepared and subjected to sensory evaluation.
- the feeling of use described in Table 1 above is an evaluation of irritation to the scalp at the time of washing the hair, fingering at the time of rinsing after washing, and the feeling of roughness of the scalp and hair after use.
- ⁇ in the case of unsatisfactory feeling of use: indicated by ⁇ .
- the prescription was prepared by a general method used conventionally.
- the acylamino acid-based surfactant having an acidic amino acid group is 5% by weight or more, in particular, the amino acid is preferably aspartic acid and glutamic acid. became.
- Viscosity measuring method The viscosity of this composition was measured using a B-type viscometer (BL type (Toki Sangyo)). A low-viscosity formulation ( ⁇ 400 mPa ⁇ s) was obtained from rotor No. No. 2 is a rotor having a relatively high viscosity. 3 was measured according to a conventional method at a speed of 12 or 30 rpm under the condition of 20 ° C.
- acylamino acid surfactant a mixture was prepared by mixing sodium lauroyl aspartate and triethanolamine cocoylglutamate in equal amounts. Then, for the purpose of finding a combination of an amphoteric surfactant and a nonionic surfactant suitable for increasing the viscosity of the acylamino acid surfactant, the final concentration of 3% by weight of the nonionic surfactant and the amino acid surfactant. The agent mixture and the amphoteric surfactant were added to a final concentration of 15% by weight, and water was added to add the three surfactant mixture composition (ie acylamino acid surfactant mixture, nonionic surfactant, amphoteric surfactant).
- amphoteric surfactants and nonionic surfactants used here are as shown in Table 2, and examples of amphoteric surfactants include amidopropyl betaine laurate, lauroylamidopropylhydroxysulfobetaine, and alkylcarboxymethylhydroxyethylimidazo. It is linium betaine, or laurylaminodiacetate, and the nonionic surfactant is lauroyl butylene glycol, lauryl glycol hydroxypropyl ether, or coconut oil fatty acid methylethanolamide.
- the viscosity change refers to a mixture of three surfactants (that is, an acylamino acid-based interface) with respect to the viscosity of the acylamino acid-based surfactant mixed composition (acylamino acid-based surfactant final concentration of 15% by weight and water). It means whether the viscosity of the active agent mixture, nonionic surfactant, amphoteric surfactant and water mixture) has increased.
- the nonionic surfactant (lauroyl butylene glycol, lauryl glycol hydroxypropyl ether, or coconut oil fatty acid methylethanolamide) was 3% by weight, and the amino acid surfactant and amphoteric surfactant were used. The total amount of agents is 15% by weight.
- Table 2 The results are shown in Table 2.
- the low viscosity of the acylamino acid surfactant can be improved and the viscosity can be increased by combining the amphoteric surfactant having a betaine skeleton with the acylamino acid surfactant and the nonionic surfactant. It was done. Moreover, when it wash
- test Example 3 Viscosity Change Depending on Nonionic Surfactant Concentration
- nonionic surfactant is used.
- test solutions 1 to 4 described in Table 3 below were prepared, and the viscosity change was measured (in the table, the numerical value represents a weight ratio).
- the viscosity was measured according to the method described in Test Example 2. From these results, it was shown that the presence of a nonionic surfactant is essential for increasing the viscosity. In addition, since the compositions of the test solutions 2 to 4 had a viscosity of 300 mPa ⁇ s or more, it was shown that they had a viscosity suitable as a shampoo or the like.
- Test Example 4 Improvement of Fast Foaming Property In the compositions examined in Test Examples 1 to 3 above, foaming, particularly the change in foaming when an anionic surfactant was added, was investigated for the purpose of supplementing fast foaming property.
- control solutions and preparation solutions 1 to 5 described in Table 4 below were prepared (in the table, the numerical values represent weight ratios). Thereafter, the control solution and the preparation solutions 1 to 5 were each diluted 7-fold with purified water and stirred for 5 seconds in a low-speed mode at room temperature using a fiber mixer (MX-X58 (Panasonic)). The amount of foam (mL) obtained immediately after was defined as the amount of fast foam, and the difference in the amount of foam between the control solution and the prepared solution was evaluated.
- Test Example 5-1 Formation of Coacervate Based on the results obtained in Test Examples 1 to 4, the effect of the composition to which a cationic polymer was further added on the formation of coacervate was examined.
- the increase in turbidity of the diluted solution of the cleaning solution 1 was small, and it was recognized that the formation of coacervate was small.
- the cleaning solutions 2 to 4 showed a sufficient increase in turbidity due to dilution. From this, it was shown that in the cleaning liquids 2 to 4, coacervate was formed at the time of cleaning or rinsing and a high conditioning effect was expected when used on the hair as a shampoo.
- Test Example 5-2 Further, for the purpose of confirming the formation of coacervate in the presence of cationized cellulose having a different degree of polymerization or cationized polymer, cleaning solutions 5 to 9 shown in Table 6 below were prepared, and the same as in Test Example 5-1. Further, the change in the amount of coacervate produced was evaluated from the change in turbidity at the time of dilution (in the table, the numerical value represents the weight ratio).
- Test Example 6 In order to confirm the effect of the composition of the present invention on actual hair, the following tests were conducted.
- a hair bundle obtained by bundling human hair was subjected to bleaching treatment, perm treatment and ultrasonic cleaning to produce damaged hair.
- a cleaning solution 10 (0.2 g) shown in Table 7 below was applied to the damaged hair and foamed for 1 minute, and then the cleaning solution was removed (in the table, the numerical values represent a weight ratio). Again, 0.1 g of the cleaning liquid 10 was uniformly applied and foamed for 1 minute, and then the cleaning liquid was removed and dried.
- a friction tester KES-SE-DC Kato Tech
- the friction tester is a tester that analyzes the smoothness and roughness that humans feel when rubbing the surface of an object. Roughness is quantified as a variation in average friction coefficient (MMD), and the smaller the MMD value, the smoother the surface of the object.
- Test Example 7 Furthermore, the structural change of the hair after treatment was observed for the purpose of confirming the influence of the composition of the present invention on the hair surface.
- Damaged hair was prepared from a human hair bundle by treatment with a commercially available decoloring solution and hair dyeing solution, and this was used as a sample before treatment.
- the sample was immersed in a 10% cleaning solution 10 at 50 ° C. for 1 minute, then rinsed and dried to obtain a treated sample. Changes in the surface of the hair before and after that were observed using a scanning electron microscope (JSM-6380LV (JEOL)).
- a highly transparent scalp and hair cleaning agent having the following composition is prepared.
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Abstract
Description
一般に、ボディーソープやシャンプー等の洗浄剤は、容器から掌に取り出して使用されるため、適度な粘性を有することが必要とされる。しかしながら、アシルアミノ酸系界面活性剤の含量が高いと、その毛髪洗浄剤の粘性は低くなることが知られている。
上記の増粘剤を添加した場合の色調変化や沈殿等の問題から、1つの解決手段として、アニオン性界面活性剤にノニオン性界面活性剤を組み合わせて増粘させる方法が知られているが、アシルアミノ酸系のアニオン性界面活性剤を主洗浄成分として含有した場合においては、ノニオン性成分を加えてもその増粘作用が発揮されず、粘性を高めることが困難とされていた。
本発明は、これらの知見に基づいて、更に検討を重ねることによって完成させたものである。
成分(a):アシルアミノ酸系界面活性剤 5~20重量%
成分(b):ベタイン系両性界面活性剤
成分(c):ノニオン性界面活性剤 1.5~10重量%
を含み、20℃での粘度が300~4000mPa・sであることを特徴とする洗浄用組成物。
成分(a)のアシルアミノ酸系界面活性剤が、下式:
R-NH-CH(COOX1)((CH2)nCOOX2)
[式中、
Rは炭素数8~20のアシル基であり、
nは1または2であり、
X1およびX2は各々独立して、水素、アルカリ金属、アルカリ土類金属、アンモニウム基、または塩基性アミノ酸もしくはアルカノールアミンのカチオン性残基である]
を有する化合物であることを特徴とする、上記項1に記載の洗浄用組成物。
Rが、カプリロイル基、カプリノイル基、ラウロイル基、ミリストイル基、パルミトイル基、ステアロイル基、オレオイル基、ヤシ油脂肪酸アシル基、パーム核油脂肪酸アシル基、硬化牛脂脂肪酸アシル基からなる群から選択される、上記項2に記載の洗浄用組成物。
成分(a)のアシルアミノ酸系界面活性剤が、ラウロイルアスパラギン酸、ココイルグルタミン酸およびそれらの塩からなる群から選択されるアニオン性界面活性剤であることを特徴とする、上記項1~3のいずれか1つに記載の洗浄用組成物。
成分(a)のアシルアミノ酸系界面活性が7~15重量%、成分(c)のノニオン性界面活性剤が2~5重量%含まれる、上記項1~4のいずれか1つに記載の洗浄用組成物。
成分(b)の配合量が、成分(c)の重量の0.5~7倍量であることを特徴とする上記項1~5のいずれか1つに記載の洗浄用組成物。
成分(c)のノニオン性界面活性剤が、ポリオキシアルキレン付加型、ポリオキシプロピレン・エチレン付加型、アミンオキサイド系、モノ又はジエタノールアミド系、グリセリン脂肪酸エステル、ソルビタン脂肪酸エステル、ショ糖脂肪酸エステル、硬化ひまし油系、アルキルエーテル系及びアルキルグルコシド系非イオン性界面活性剤から選択されることを特徴とする、上記項1~6のいずれか1つに記載の洗浄用組成物。
さらに成分(d):カチオン性高分子を成分(a)の重量に対して0.025~1倍量含むことを特徴とする、上記項1~7のいずれか1つに記載の洗浄用組成物。
成分(d)のカチオン性高分子が、カチオン化セルロースおよび/または塩化ジメチルジアリルアンモニウム・アクリルアミド共重合体からなることを特徴とする、上記項8に記載の洗浄用組成物。
さらに成分(e):成分(a)以外のアニオン性界面活性剤 0.1~5重量%
を含むことを特徴とする、上記項1~9のいずれか1つに記載の洗浄用組成物。
成分(e)のアニオン性界面活性剤が、炭素数6~20アシル基とタウリン骨格を有するアニオン性界面活性剤、炭素数6~20のアシル基とアラニン骨格を有するアニオン性界面活性剤、および炭素数10~20のアルキル基及び/又はアルケニル基を有するスルホン酸またはその塩であるアニオン性界面活性剤からなる群から選択される、上記項10に記載の洗浄用組成物。
頭皮頭髪に適用されることを特徴とする、上記項1~11のいずれか1つに記載の洗浄用組成物。
成分(a):アスパラギン酸またはグルタミン酸基を有するアシルアミノ酸系アニオン性界面活性剤 5~20重量%、
成分(b):ベタイン系両性界面活性剤、
成分(c):ノニオン性界面活性剤、および
成分(d):カチオン性高分子、
を含む組成物であって、
成分(b)は、成分(a)の重量に対して0.25~2倍量であり、
成分(c)は、成分(a)の重量に対して0.1~1倍量であり、
成分(d)は、成分(a)の重量に対して0.025~1倍量であることを特徴とする頭皮頭髪洗浄用組成物。
上記項13に記載の洗浄用組成物において、該洗浄用組成物を水で5~100倍に希釈したとき、コアセルベートが形成していること特徴とする、上記項13に記載の頭皮頭髪洗浄用組成物。
成分(e):成分(a)以外のアニオン性界面活性剤をさらに含有する、上記項13または14に記載の頭皮頭髪洗浄用組成物。
成分(e)のアニオン性界面活性剤が、炭素数6~20のアシル基とタウリン骨格またはアラニン骨格を有するアニオン性界面活性剤および/または炭素数10~20のアルキル基及び/又はアルケニル基を有するスルホン酸およびその塩であるアニオン性界面活性剤からなる群から選択されることを特徴とする、上記項13~15のいずれか1つに記載の頭皮頭髪洗浄用組成物。
成分(e)が、ココイルメチルタウリン、カプロイルメチルタウリン、ラウロイルメチルアラニン、テトラデセンスルホン酸およびその塩であることを特徴とする、上記項13~16のいずれか1つに記載の頭皮頭髪洗浄用組成物。
成分(a):アスパラギン酸またはグルタミン酸基を有するアシルアミノ酸系アニオン性界面活性剤 5~20重量%、
成分(b):ベタイン系両性界面活性剤、
成分(c):ノニオン性界面活性剤、および
成分(e):炭素数6~20のアシル基とタウリン骨格を有するアニオン性界面活性剤、炭素数6~20のアシル基とアラニン骨格を有するアニオン性界面活性剤、炭素数10~20のアルキル基及び/又はアルケニル基を有するスルホン酸およびその塩からなる群から選択されるアニオン性界面活性剤
を含み、
成分(a)の重量に対して、0.25~2倍量の成分(b)、0.1~1倍量の成分(c)、0.01~0.6倍量の成分(e)を含有する、洗浄用組成物。
成分(d):カチオン性高分子
をさらに含有し、該成分(d)を成分(a)の重量に対して、0.025~1倍量含むことを特徴とする上記項18に記載の頭皮頭髪洗浄用組成物。
アシル基には、例えば、カプロン酸、カプリル酸、カプリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、アラキン酸、パルミトン酸、オレイン酸、リノール酸、リノレン酸、ヤシ油脂肪酸、ひまし油脂肪酸、オリーブ油脂肪酸、パーム油脂肪酸、パーム核油脂肪酸、硬化牛脂脂肪酸等から誘導されるアシル基があげられる。
アシル基の炭素数に特に限定はないが、炭素数8~20であることが望ましく、さらには、洗浄後の髪通り等の有効性の面から炭素数10~15であることが望ましい。
また好ましいアシルアミノ酸系界面活性剤には、パルミトイルアスパラギン酸2TEA、パルミトイルアスパラギン酸ジエチル、ラウロイルアスパラギン酸Na、ラウロイルアスパラギン酸亜鉛、カプリロイルグルタミン酸2Na、ココイルグルタミン酸、ココイルグルタミン酸2Na、ココイルグルタミン酸K、ココイルグルタミン酸Na、ココイルグルタミン酸TEA、ジラウロイルグルタミン酸Mg、ジラウロイルグルタミン酸リシンNa、ステアロイルグルタミン酸、ステアロイルグルタミン酸2Na、ステアロイルグルタミン酸Al、ステアロイルグルタミン酸K、ステアロイルグルタミン酸Na、ステアロイルグルタミン酸ジオクチルドデシル、パルミトイルグルタミン酸Mg、ミリストイルグルタミン酸、ミリストイルグルタミン酸K、ミリストイルグルタミン酸Na、ラウロイルグルタミン酸、ラウロイルグルタミン酸2Na、ラウロイルグルタミン酸K、ラウロイルグルタミン酸Na、ラウロイルグルタミン酸TEAが含まれる。
R-NH-CH(COOX1)((CH2)nCOOX2)
[式中、
Rは炭素数8~20(より好ましくは炭素数10~15)のアシル基であり、
nは1または2であり、
X1およびX2は各々独立して、水素、アルカリ金属(例えばナトリウム、カリウム)、アルカリ土類金属(例えばカルシウム、マグネシウム)、アンモニウム基、または塩基性アミノ酸(例えばリシン、アルギニン)もしくはアルカノールアミン(例えばジエタノールアミン、トリエタノールアミン)のカチオン性残基である]
を有する化合物が挙げられる。
本発明において使用される両性界面活性剤としては、ベタイン骨格(一部が置換された形を含む)を有する両性界面活性剤(以下、ベタイン系両性界面活性剤という)が適する。
ベタイン系両性界面活性剤の具体例としては、例えば、ラウリルジメチルベタイン、ミリスチルジメチルベタイン、パルミチルジメチルベタイン、ステアリルジメチルベタイン、オレイルジメチルベタイン、ヤシ油アルキルジメチルベタイン、ラウリルメチルエチルベタイン、ラウリルジヒドロキシエチルベタイン、ステアリルジヒドロキシエチルベタイン、ヤシ油アルキルジヒドロキシエチルベタイン等のアルキルカルボキシベタイン;オクタデシルオキシメチルジメチルベタイン等のエーテルカルボキシベタイン;ラウリン酸アミドプロピルジメチルベタイン、ミリスチン酸アミドプロピルジメチルベタイン、ステアリン酸アミドプロピルジメチルベタイン、オレイン酸アミドプロピルジメチルベタイン、ヤシ油脂肪酸アミドプロピルジメチルベタイン、ラウリン酸アミドプロピルベタイン等のアミドカルボキシベタインなどを含むカルボキシベタイン型;ラウリルジメチルヒドロキシプロピルスルホベタイン、ミリスチルジメチルヒドロキシプロピルスルホベタイン、ラウリルジメチルプロピルスルホベタイン、ヤシ油アルキルジメチルプロピルスルホベタイン等のアルキルスルホベタイン、ラウリン酸アミドプロピルジメチルヒドロキシプロピルスルホベタイン、ラウロイルアミドプロピルヒドロキシスルホベタイン等のアミドスルホベタイン等を含むスルホベタイン型;ラウリルカルボキシメチルヒドロキシエチルイミダゾリニウムベタイン、ミリスチルカルボキシメチルヒドロキシエチルイミダゾリニウムベタイン、ステアリルカルボキシメチルヒドロキシエチルイミダゾリニウムベタイン、アルキルカルボキシメチルヒドロキシエチルイミダゾリニウムベタイン等のイミダゾリン型の他、グリシン型、アミノプロピオン酸型、スルホン酸型、硫酸型、アミノカルボン酸塩型、リン酸型またはレシチン等が挙げられる。本発明において、使用されるベタイン系界面活性剤においては、ベタイン骨格と炭素数10~18の脂肪酸を有するものが望ましい。炭素数がそれ以下の脂肪酸においては刺激性が、以上のものにおいては泡立ちの低下が懸念される。
加えて、本発明において使用されうるノニオン性界面活性剤には、アルキルグリコールとプロピレングリコールを縮合させた構造をとるエーテル型のノニオン性界面活性剤が含まれ、例えば、ラウリルグリコールヒドロキシプロピルエーテルまたはミリスチルグリコールヒドロキシプロピルエーテルが挙げられる。
粘度の測定方法としては、特に限定されないが、例えば、B型粘度計による粘度測定方法が挙げられ、20℃にて、ローターNo.2または3を用いて、毎分12または30回転で測定することができ、また、日本薬局方(一般試験法、粘度測定法、第2法(2)回転粘度計法、単一円筒形回転粘度計、20℃、毎分12または30回転、ローターNo.2または3)に基づいた方法も挙げられる。
カチオン性高分子の更なる例としては、例えばポリクオタニウム-4/ヒドロキシプロピルデンプンコポリマー、ポリクオタニウム-10、ポリクオタニウム-11、ポリクオタニウム-64、ポリクオタニウム-7等が挙げられる。
また、成分(e):アニオン性界面活性剤には、アシル基(好ましくは炭素数6~20)とタウリン骨格またはアラニン骨格を有するアニオン性界面活性剤、例えばココイルメチルタウリン、カプロイルメチルタウリン、ラウロイルメチルアラニン及びその塩や、炭素数10~20のアルキル基及び/又はアルケニル基を有するスルホン酸、例えばアルキルベンゼンスルホン酸やテトラデセンスルホン酸またはその塩が挙げられる。本発明で使用されるアニオン性界面活性剤は、2種類以上のアニオン性界面活性剤を含んでいてもよい。
R-N(CH3)((CH2)2SO3X1)
[式中、
Rは炭素数6~20のアシル基であり、
X1は、水素、アルカリ金属(例えばナトリウム、カリウム)、アルカリ土類金属(例えばカルシウム、マグネシウム)、アンモニウム基、または塩基性アミノ酸(例えばリシン、アルギニン)もしくはアルカノールアミン(例えばジエタノールアミン、トリエタノールアミン)のカチオン性残基である]
を有する化合物が挙げられ、具体的には、ココイルメチルタウリン、カプロイルメチルタウリンが含まれる。
ここで、アシル基とは、アシルアミノ酸系界面活性剤において説明したものと同義であり、例えば、カプロイル基、カプリロイル基、カプリノイル基、ラウロイル基、ミリストイル基、パルミトイル基、ステアロイル基、オレオイル基、ヤシ油脂肪酸アシル基、パーム核油脂肪酸アシル基、硬化牛脂脂肪酸アシル基が挙げられる。
下式:
R-N(CH3)((CH2)2COOX1)
[式中、
Rは炭素数6~20のアシル基であり、
X1は、水素、アルカリ金属(例えばナトリウム、カリウム)、アルカリ土類金属(例えばカルシウム、マグネシウム)、アンモニウム基、または塩基性アミノ酸(例えばリシン、アルギニン)もしくはアルカノールアミン(例えばジエタノールアミン、トリエタノールアミン)のカチオン性残基である]
を有する化合物が挙げられ、具体的にはラウロイルメチルアラニンが含まれる。
ここで、アシル基とは、アシルアミノ酸系界面活性剤において説明したものと同義であり、例えば、カプロイル基、カプリロイル基、カプリノイル基、ラウロイル基、ミリストイル基、パルミトイル基、ステアロイル基、オレオイル基、ヤシ油脂肪酸アシル基、パーム核油脂肪酸アシル基、硬化牛脂脂肪酸アシル基が挙げられる。
好ましいジプロピレングリコールの含有量は、0.5~5重量%である。
本発明の組成物において水を使用する場合、その量は他の成分に依存して、適量を配合することができる。
アシルアミノ酸系界面活性剤の種類や量および組み合わせによる頭髪洗浄剤としての使用感の変化を検討する目的で、表1のように洗浄剤を調製し、官能評価を実施した。
下表1に示される洗浄剤を調製し、あらかじめ濡らした状態の頭髪に洗浄剤をそれぞれ適量泡立てて使用し、頭髪を洗浄した際および洗いあがりの使用感について検討した(表中、数値は重量比を表す)。
不満足な使用感である場合:△、満足な使用感である場合:○として示した。
なお、処方の調製は、従来使用される一般的な手法により調製した。
次に、アシルアミノ酸系界面活性剤による洗浄剤の低粘性を補う目的で、アシルアミノ酸系界面活性剤、両性界面活性剤およびノニオン性界面活性剤を組み合わせたときの粘度変化を検討した。
ここで粘度変化とは、アシルアミノ酸系界面活性剤混合組成物(アシルアミノ酸系界面活性剤最終濃度15重量%と水の混合物)の粘度に対して、3界面活性剤混合物(すなわちアシルアミノ酸系界面活性剤混合物、ノニオン性界面活性剤、両性界面活性剤および水の混合物)の粘度は増加したか否かを意味する。
なお、粘度を測定した組成物において、ノニオン性界面活性剤(ラウロイルブチレングリコール、ラウリルグリコールヒドロキシプロピルエーテル、またはヤシ油脂肪酸メチルエタノールアミド)は3重量%であり、アミノ酸系界面活性剤と両性界面活性剤は合わせて15重量%である。
結果を表2に記す。
また、上記の粘性を検討した組成物を使用して洗浄したところ、粘性が高まった組成物では、泡質および泡の保持性も高まり、使用感を向上することができた。
次に、アシルアミノ酸系界面活性剤を含む組成物において、ノニオン性界面活性剤の配合量と粘度との関係を検討する目的で、ノニオン性界面活性剤としてPOEモノヤシ油脂肪酸グリセリルを用い、以下の表3に記載する試験液1~4を調製し、その粘度変化を測定した(表中、数値は重量比を表す)。
上記試験例1~3で検討した組成物において、泡立ち、特に速泡性を補う目的で、さらにアニオン性界面活性剤を配合したときの泡立ちの変化を検討した。
試験例1~4で得られた結果をもとに、さらにカチオン性高分子を加えた組成物の、コアセルベートの形成についての影響を検討した。
濁度(%) = 100 - 透過率(%)
さらに、重合度の異なるカチオン化セルロースや、カチオン化ポリマーの存在下でのコアセルベートの形成を確認する目的で、以下の表6に記載の洗浄液5~9を調製し、試験例5-1と同様に、希釈時の濁度変化よりコアセルベート生成量の変化を評価した(表中、数値は重量比を表す)。
本発明組成物の実際の毛髪への影響を確認する目的で、以下の試験を実施した。
該摩擦感テスターは、人間が物体の表面をこする時に感じる滑らかさ、ざらつき感を分析する試験機である。ざらつき感は平均摩擦係数の変動(MMD)として数値化され、MMDの値が小さい程、物体の表面は滑らかであることを意味する。
さらに、本発明組成物の毛髪表面に及ぼす影響を確認する目的で、処置後毛髪の構造的変化を観察した。
Claims (15)
- 成分(a):アシルアミノ酸系界面活性剤 5~20重量%
成分(b):ベタイン系両性界面活性剤
成分(c):ノニオン性界面活性剤 1.5~10重量%
を含み、20℃での粘度が300~4000mPa・sであることを特徴とする洗浄用組成物。 - 成分(a)のアシルアミノ酸系界面活性剤が、下式:
R-NH-CH(COOX1)((CH2)nCOOX2)
[式中、
Rは炭素数8~20のアシル基であり、
nは1または2であり、
X1およびX2は各々独立して、水素、アルカリ金属、アルカリ土類金属、アンモニウム基、または塩基性アミノ酸もしくはアルカノールアミンのカチオン性残基である]
を有する化合物であることを特徴とする、請求項1に記載の洗浄用組成物。 - Rが、カプリロイル基、カプリノイル基、ラウロイル基、ミリストイル基、パルミトイル基、ステアロイル基、オレオイル基、ヤシ油脂肪酸アシル基、パーム核油脂肪酸アシル基、硬化牛脂脂肪酸アシル基からなる群から選択される、請求項2に記載の洗浄用組成物。
- 成分(a)のアシルアミノ酸系界面活性剤が、ラウロイルアスパラギン酸、ココイルグルタミン酸およびそれらの塩からなる群から選択されるアニオン性界面活性剤であることを特徴とする、請求項1~3のいずれか1つに記載の洗浄用組成物。
- 成分(a)のアシルアミノ酸系界面活性が7~15重量%、成分(c)のノニオン性界面活性剤が2~5重量%含まれる、請求項1~4のいずれか1つに記載の洗浄用組成物。
- 成分(b)の配合量が、成分(c)の重量の0.5~7倍量であることを特徴とする請求項1~5のいずれか1つに記載の洗浄用組成物。
- さらに成分(d):カチオン性高分子を成分(a)の重量に対して0.025~1倍量含むことを特徴とする、請求項1~6のいずれか1つに記載の洗浄用組成物。
- 成分(d)のカチオン性高分子が、カチオン化セルロースおよび/または塩化ジメチルジアリルアンモニウム・アクリルアミド共重合体からなることを特徴とする、請求項7に記載の洗浄用組成物。
- さらに成分(e):成分(a)以外のアニオン性界面活性剤 0.1~5重量%
を含むこと特徴とする、請求項1~8のいずれか1つに記載の洗浄用組成物。 - 成分(e)のアニオン性界面活性剤が、炭素数6~20のアシル基とタウリン骨格を有するアニオン性界面活性剤、炭素数6~20のアシル基とアラニン骨格を有するアニオン性界面活性剤、および炭素数10~20のアルキル基及び/又はアルケニル基を有するスルホン酸またはその塩であるアニオン性界面活性剤からなる群から選択される、請求項9に記載の洗浄用組成物。
- 頭皮頭髪に適用されることを特徴とする、請求項1~10のいずれか1つに記載の洗浄用組成物。
- 成分(a):アスパラギン酸またはグルタミン酸基を有するアシルアミノ酸系アニオン性界面活性剤 5~20重量%、
成分(b):ベタイン系両性界面活性剤、
成分(c):ノニオン性界面活性剤、および
成分(d):カチオン性高分子、
を含む組成物であって、
成分(b)は、成分(a)の重量に対して0.25~2倍量であり、
成分(c)は、成分(a)の重量に対して0.1~1倍量であり、
成分(d)は、成分(a)の重量に対して0.025~1倍量であることを特徴とする頭皮頭髪洗浄用組成物。 - 請求項12に記載の洗浄用組成物において、該洗浄用組成物を水で5~100倍に希釈したとき、コアセルベートが形成していること特徴とする、請求項12に記載の頭皮頭髪洗浄用組成物。
- 成分(e):成分(a)以外のアニオン性界面活性剤をさらに含有する、請求項12または13に記載の頭皮頭髪洗浄用組成物。
- 成分(a):アスパラギン酸またはグルタミン酸基を有するアシルアミノ酸系アニオン性界面活性剤 5~20重量%、
成分(b):ベタイン系両性界面活性剤
成分(c):ノニオン性界面活性剤、および
成分(e):炭素数6~20のアシル基とタウリン骨格を有するアニオン性界面活性剤、炭素数6~20のアシル基とアラニン骨格を有するアニオン性界面活性剤、炭素数10~20のアルキル基及び/又はアルケニル基を有するスルホン酸およびその塩からなる群から選択されるアニオン性界面活性剤
を含み、
成分(a)の重量に対して、0.25~2倍量の成分(b)、0.1~1倍量の成分(c)、0.01~0.6倍量の成分(e)を含有する洗浄用組成物。
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Also Published As
Publication number | Publication date |
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TW201210628A (en) | 2012-03-16 |
CN103179946A (zh) | 2013-06-26 |
AU2011297347A1 (en) | 2013-03-21 |
KR101879886B1 (ko) | 2018-08-17 |
EP2612653A4 (en) | 2015-01-14 |
EP2612653A1 (en) | 2013-07-10 |
JP2016210775A (ja) | 2016-12-15 |
AU2011297347B2 (en) | 2014-02-27 |
CN103179946B (zh) | 2016-03-16 |
JP6004940B2 (ja) | 2016-10-12 |
EP2612653B2 (en) | 2021-06-09 |
SG188332A1 (en) | 2013-04-30 |
US20130216491A1 (en) | 2013-08-22 |
EP2612653B1 (en) | 2017-10-11 |
TWI590834B (zh) | 2017-07-11 |
KR20130143685A (ko) | 2013-12-31 |
JPWO2012029514A1 (ja) | 2013-10-28 |
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