Abstract: The present invention provides a method for producing a glyceryl ether-containing composition, the method including: a deodorization step for bringing a glyceryl ether-containing product selected from the group consisting of a monohexyl glyceryl ether-containing product, a monocyclohexyl glyceryl ether-containing product and a mixture thereof into contact with water vapor in an environment having a reduced pressure of 0.10 kPa or more and 10 kPa or less for 60 minutes or more and 600 minutes or less; and an addition step for adding 0.05 to 0.30 parts by mass of an antioxidant containing d-?-tocopherol to 100 parts by mass of the glyceryl ether-containing product, and also provides a glyceryl ether-containing composition containing specific amounts of a specific glyceryl ether and an antioxidant containing d-?-tocopherol.

Abstract: A skin- or hair-cleansing composition including a component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which is an anionic surfactant, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25° C. of 1,000 to 5,000 mPa·s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60° C. to 80° C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the skin- or hair-cleansing composition are provided.

Abstract: The present invention provides an oily composition, including: at least one kind of urethane polymer (A) selected from the group consisting of a (PPG-12/SMDI) copolymer and a (polyglyceryl-2 diisostearate/IPDI) copolymer; silica particles (B); and one or more kinds of oil components (C) selected from an ester oil, a hydrocarbon oil, and a silicone oil, and a cosmetic composition including the oily composition.

Abstract: A cosmetic composition including component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which is a polymeric thickening agent, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25° C. of 1,000 to 5,000 mPa·s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60° C. to 80° C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the cosmetic composition are provided.

Abstract: A hair cosmetic composition including component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which includes either one of or both of a cationic surfactant and a cationic polymer, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25° C. of 1,000 to 5,000 mPa·s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60° C. to 80° C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the hair cosmetic composition are provided.

Abstract: Provided is an antibacterial and antifungal composition, including: (A) at least one kind of 1,2-alkanediol having a linear alkyl group containing 6 to 8 carbon atoms; (B) at least one kind of monoalkyl glyceryl ether having a linear alkyl group containing 6 to 8 carbon atoms, a branched alkyl group containing 6 to 8 carbon atoms, or a cycloalkyl group containing 6 to 8 carbon atoms; and (C) at least one kind of aromatic alcohol represented by the following general formula (1): wherein n represents a natural number of from 1 to 4.

Abstract: A skin- or hair-cleansing composition including a component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which is an anionic surfactant, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25° C. of 1,000 to 5,000 mPa·s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60° C. to 80° C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the skin- or hair-cleansing composition are provided.

Abstract: This invention provides: a polyurethane for cosmetic preparations, which is obtained by reacting (A) a polyester polyol having two or more hydroxyl groups in each molecule, (B) an aliphatic diol consisting of two hydroxyl groups and an aliphatic hydrocarbon group having 3 to 8 carbon atoms, (C) a carboxyl group-containing diol which has a carboxyl group and two hydroxyl groups in the molecule and has a molecular weight of 100 to 300, (D) a diisocyanate containing at least one compound selected from the group consisting of isophorone diisocyanate, hexamethylene diisocyanate and dicyclohexylmethane-4,4?-diisocyanate, and (E) a chain extender which contains at least one compound selected from the group consisting of water, ethylene diamine and propylene diamine and which has a weight average molecular weight of 50,000 to 300,000; a production method; and a cosmetic preparation which contains this polyurethane for cosmetic preparations.

Abstract: An antimicrobial composition containing: a component (A) that is at least one selected from the group consisting of 1,2-alkanediols having an alkyl group having 6 to 8 carbons and monoalkyl glyceryl ethers having an alkyl group having 6 to 8 carbons; and a component (B) that is at least one selected from the group consisting of tripropylene glycol, 2-methyl-1,3-propanediol, and 3-methyl-1,3-butanediol and a cosmetic containing the antimicrobial composition.

Abstract: The present invention provides a method for producing a glyceryl ether-containing composition, the method including: a deodorization step for bringing a glyceryl ether-containing product selected from the group consisting of a monohexyl glyceryl ether-containing product, a monocyclohexyl glyceryl ether-containing product and a mixture thereof into contact with water vapor in an environment having a reduced pressure of 0.10 kPa or more and 10 kPa or less for 60 minutes or more and 600 minutes or less; and an addition step for adding 0.05 to 0.30 parts by mass of an antioxidant containing d-?-tocopherol to 100 parts by mass of the glyceryl ether-containing product, and also provides a glyceryl ether-containing composition containing specific amounts of a specific glyceryl ether and an antioxidant containing d-?-tocopherol.

Abstract: A skin- or hair-cleansing composition including a component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which is an anionic surfactant, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25° C. of 1,000 to 5,000 mPa·s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60° C. to 80° C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the skin- or hair-cleansing composition are provided.

Abstract: A hair cosmetic composition including component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which includes either one of or both of a cationic surfactant and a cationic polymer, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25° C. of 1,000 to 5,000 mPa·s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60° C. to 80° C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the hair cosmetic composition are provided.

Abstract: A method for improving the solubility of a sparingly water-soluble component, the method including blending a compound represented by general formula (1) below with the sparingly water-soluble component in the presence of water. In formula (1), R1 denotes a group represented by formula (2) or a hydrocarbon group having 2 or 3 carbon atoms. In formula (2), R2 denotes an alkylene group having 1 to 3 carbon atoms, and n represents a number that is 0 or 1.

Abstract: An antimicrobial composition containing: a component (A) that is at least one selected from the group consisting of 1,2-alkanediols having an alkyl group having 6 to 8 carbons and monoalkyl glyceryl ethers having an alkyl group having 6 to 8 carbons; and a component (B) that is at least one selected from the group consisting of tripropylene glycol, 2-methyl-1,3-propanediol, and 3-methyl-1,3-butanediol and a cosmetic containing the antimicrobial composition.

Abstract: A cosmetic composition including component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which is a polymeric thickening agent, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25° C. of 1,000 to 5,000 mPa·s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60° C. to 80° C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the cosmetic composition are provided.

Abstract: Provided is an aqueous gelling agent composition, including: compound (A) represented by the general formula (1); and compound (B) represented by the general formula (2), wherein a mass ratio of compound (A) to compound (B), (A): (B), is from 95:5 to 85:15: where R1, R2, R8, R9, R10, R11, R15, and R16 each independently represent a hydrocarbon group having 4 to 20 carbon atoms, R3, R5, R7, R12, and R14 each independently represent a divalent hydrocarbon group having 2 to 4 carbon atoms, R4, R6, and R13 each independently represent a divalent hydrocarbon group having 3 to 16 carbon atoms, a, e, j, and m each independently represent a number of 10 to 100, d represents a number of 100 to 500, and g represents a number of 1 to 10.

Abstract: Provided is an antibacterial and antifungal composition, including: (A) at least one kind of 1,2-alkanediol having a linear alkyl group containing 6 to 8 carbon atoms; (B) at least one kind of monoalkyl glyceryl ether having a linear alkyl group containing 6 to 8 carbon atoms, a branched alkyl group containing 6 to 8 carbon atoms, or a cycloalkyl group containing 6 to 8 carbon atoms; and (C) at least one kind of aromatic alcohol represented by the following general formula (1): wherein n represents a natural number of from 1 to 4.

Abstract: Provided is an aqueous gelling agent composition, including: compound (A) represented by the general formula (1); and compound (B) represented by the general formula (2), wherein a mass ratio of compound (A) to compound (B), (A):(B), is from 95:5 to 85:15: where R1, R2, R8, R9, R10, R11, R15, and R16 each independently represent a hydrocarbon group having 4 to 20 carbon atoms, R3, R5, R7, R12, and R14 each independently represent a divalent hydrocarbon group having 2 to 4 carbon atoms, R4, R6, and R13 each independently represent a divalent hydrocarbon group having 3 to 16 carbon atoms, a, e, j, and m each independently represent a number of 10 to 100, d represents a number of 100 to 500, and g represents a number of 1 to 10.

Abstract: A polyurethane polyurea having strong thickening and gelling effects, obtained by reacting a polyurethane polyurea prepolymer obtained from a silicone derivative starting material having a specific structure, a specific diisocyanate compound starting material and a starting material made up of a compound represented by General Formula (C) (each of which is set forth in the Description), with either or both of a nitrogen compound having a specific structure and a hydroxyl group-containing compound having a specific structure (each of which is set forth in the Description.

Abstract: The present invention provides a skin cosmetic composition including a component (A) which is either one or both of hexyl glyceryl ether and cyclohexyl glyceryl ether, a component (B) which is either one or both of 1,2-propanediol and 1,3-propanediol, and a component (C) such as citric acid, an antibacterial agent including components (A), (B) and (C) and a method for enhancing an antibacterial effect of the component (A).