Abstract: Provided is an oil-in-water cleansing cosmetic composition. The oil-in-water cleansing cosmetic composition comprises: (A) carboxylic acid-modified silicone that is liquid at 50° C.; (B) 3 to 80 mass % of an oil agent relative to the total mass of the cosmetic composition; (C) water; and (D) a basic compound. An amount of an ionic surfactant other than the carboxylic acid-modified silicone (A) that is liquid at 50° C. is 10 mass % or less relative to the total mass of the cosmetic composition. In general, the oil-in-water cleansing cosmetic composition quickly blends with makeup grime, has a high makeup removing effect, and has excellent stability.

Abstract: A cosmetic composition is provided. The cosmetic composition comprises a carboxylic acid modified silicone (A) that has a specific chemical structure and is liquid at room temperature. The cosmetic composition also comprises an oil agent (B). The cosmetic composition generally provides a cosmetic film having excellent water resistance, and can be easily removed by normal soap and water.

Abstract: Provided is a cosmetic composition with excellent storage stability, feel during use and ultraviolet light blocking effects, in which an inorganic ultraviolet light blocking agent comprising a hydrophobic fine particulate metal oxide, e.g., hydrophobic fine particulate zinc oxide can be uniformly and stably dispersed in an aqueous phase, and in which a reduction in viscosity of a formulation is suppressed even when the structure of the hydrophobic fine particulate metal oxide is dispersed in the aqueous phase. The cosmetic composition comprises (A) a carboxylic acid modified silicone having a specific structure, (B) a water-soluble thickening agent, (C) a basic compound, and (D) a hydrophobic fine particulate metal oxide. The cosmetic composition is useful as a sunscreen cosmetic composition.

Abstract: A manufacturing method for a polyether polysiloxane block copolymer composition that can avoid the use and incorporation of aromatic hydrocarbon-based solvents is provided. The manufacturing method is generally easy on an industrial production scale. The manufacturing method includes a step of obtaining a polyether polysiloxane block copolymer (A) by a specific reaction in the presence of a saturated hydrocarbon solvent (C) having an average number of carbon atoms in a range of 6 to 11, and a step of replacing the solvent (C) used in the reaction with (B) a (poly)glycol or a polyglycol derivative diluent, either during or after the aforementioned step. Also provided is a method of manufacturing a foam stabilizer or the like using the composition obtained by the aforementioned manufacturing method.

Abstract: Provided is a method to reduce allyl group-containing impurities in an oxypropylene group-containing glycol ether using a relatively easy and simple industrial facility and reaction process, to enable the hydrosilylation reaction products and oxypropylene group-containing glycol ether to be easily separated by distillation, or the like, to prevent the oxypropylene group-containing glycol ether from adversely affecting the polymerization reaction when used as a reaction solvent or diluent for polyether-polysiloxane block copolymers, and to easily produce the oxypropylene group-containing glycol ether at low cost. A method for producing oxypropylene group-containing glycol ethers, comprises a step of inducing a hydrosilylation reaction of an allyl group-containing impurity included in an oxypropylene group-containing glycol ether and a silicon atom-bonded hydrogen atom (Si—H)-containing compound.

Abstract: Provided is a hydrosilylation reaction process, and the like for (AB)n-type polyether-modified silicone compositions having sufficient quality and foam conditioning properties even when a low-cost glycol ether compound is used as a raw material. A method of manufacturing a composition containing a polyether-polysiloxane block copolymer (A?) includes a step of mixing raw material components including at least (a1) double terminated alkenyl polyether, and (N+S) a specific monovalent sodium carboxylate solution, a step of removing a solvent component (S) from the system, and a step of subjecting the raw material components to a hydrosilylation reaction. The sum of component (a1), a component (a2), and a component (B?): =100:40 to 80, and the amount of Na+ in component (N) with regard to component (B?) is added is within a range of 3.8 to 43 wt. ppm. A foam-enhancing composition, and use thereof, is also provided.

Abstract: Provided is a composition or foam stabilizer which has sufficient quality and foam stability even when an inexpensive glycol ether compound is used as a raw material, and that has excellent foam-enhancing performance. The composition contains a specific polyether-polysiloxane block copolymer (A?) and a specific glycol ether compound (B?) at a mass ratio of (A?):(B?)=(20 to 60):(80 to 40) (wherein the total amount of (A?) and (B?) is 100. The composition further contains (K) a specific monovalent potassium salt in the range of 3 to 300 wt. ppm calculated as potassium atoms. A method for manufacturing the composition is also provided.

Abstract: Provided is an oil-in-water emulsion cosmetic composition having a high UV protection or blocking effect (particularly, boost effect of SPF value) and excellent water resistance and the like of a film (e.g., cosmetic film) without impairing the tactile sensation or the feeling of use particular to the oil-in-water emulsion cosmetic composition. The oil-in-water emulsion cosmetic composition comprises: (A) a carboxylic acid-modified silicone in a liquid form at 50° C., (B) a vinyl-based polymer emulsion, (C) a basic compound, and (D) an inorganic UV protecting agent consisting of hydrophobic fine particulate metal oxide. The oil-in-water emulsion cosmetic composition is useful as a sunscreen cosmetic composition.

Abstract: A manufacturing method for a polyether polysiloxane block copolymer composition that can avoid the use and incorporation of aromatic hydrocarbon-based solvents is provided. The manufacturing method is generally easy on an industrial production scale. The manufacturing method includes a step of obtaining a polyether polysiloxane block copolymer (A) by a specific reaction in the presence of a saturated hydrocarbon solvent (C) having an average number of carbon atoms in a range of 6 to 11, and a step of replacing the solvent (C) used in the reaction with (B) a (poly)glycol or a polyglycol derivative diluent, either during or after the aforementioned step. Also provided is a method of manufacturing a foam stabilizer or the like using the composition obtained by the aforementioned manufacturing method.

Abstract: Provided is a cosmetic composition with excellent storage stability, feel during use and ultraviolet light blocking effects, in which an inorganic ultraviolet light blocking agent comprising a hydrophobic fine particulate metal oxide, e.g., hydrophobic fine particulate zinc oxide can be uniformly and stably dispersed in an aqueous phase, and in which a reduction in viscosity of a formulation is suppressed even when the structure of the hydrophobic fine particulate metal oxide is dispersed in the aqueous phase. The cosmetic composition comprises (A) a carboxylic acid modified silicone having a specific structure, (B) a water-soluble thickening agent, (C) a basic compound, and (D) a hydrophobic fine particulate metal oxide. The cosmetic composition is useful as a sunscreen cosmetic composition.

Abstract: Provided is an oil-in-water cleansing cosmetic composition. The oil-in-water cleansing cosmetic composition comprises: (A) carboxylic acid-modified silicone that is liquid at 50° C.; (B) 3 to 80 mass % of an oil agent relative to the total mass of the cosmetic composition; (C) water; and (D) a basic compound. An amount of an ionic surfactant other than the carboxylic acid-modified silicone (A) that is liquid at 50° C. is 10 mass % or less relative to the total mass of the cosmetic composition. In general, the oil-in-water cleansing cosmetic composition quickly blends with makeup grime, has a high makeup removing effect, and has excellent stability.

Abstract: An oil-in-water emulsion cosmetic composition is provided. The cosmetic composition comprises a carboxylic acid modified silicone (A) that is liquid state at 50° C., an oil agent (B), water (C), and an oil-soluble film-forming agent (D). The oil-soluble film-forming agent (D) is present in a range of 0.01 to 5 mass % of the total mass of the cosmetic composition. The cosmetic composition according can provide a cosmetic film with high stability and excellent water resistance.

Abstract: Provided is an oil-in-water emulsion cosmetic composition having a high UV protection or blocking effect (particularly, boost effect of SPF value) and excellent water resistance and the like of a film (e.g., cosmetic film) without impairing the tactile sensation or the feeling of use particular to the oil-in-water emulsion cosmetic composition. The oil-in-water emulsion cosmetic composition comprises: (A) a carboxylic acid-modified silicone in a liquid form at 50° C., (B) a vinyl-based polymer emulsion, (C) a basic compound, and (D) an inorganic UV protecting agent consisting of hydrophobic fine particulate metal oxide. The oil-in-water emulsion cosmetic composition is useful.

Abstract: An oil-in-water emulsion cosmetic composition is provided. The oil-in-water emulsion cosmetic composition comprises a carboxylic acid modified silicone (A) that has a specific chemical structure and is liquid at room temperature, an oil agent (B), and water (C). The oil-in-water emulsion cosmetic composition can provide a cosmetic film with high stability and excellent water resistance.

Abstract: An aqueous dispersion composition in which hydrophobic powders are stably and uniformly dispersed in an aqueous phase, which has excellent handling workability, and which can exhibit sufficient water repellency, water resistance, sebum resistance, and the like when compounded in a cosmetic composition or the like is provided. The aqueous dispersion composition contains at least (A) carboxylic acid-modified silicone in a liquid form at 50° C., (B) a hydrophobic powder, (C) a basic substance, and (D) water; and optionally (E) one or more alcohols selected from polyhydric alcohols and ethyl alcohols; wherein 80% by mass or more of a total composition is formed of the components (A) to (E), and component (B) is contained in a range of 10% to 70% by mass of the total composition, and component (A) is contained in a range of 5 to 30 parts by mass with respect to 100 parts by mass of component (B).

Abstract: A cosmetic composition is provided. The cosmetic composition comprises a carboxylic acid modified silicone (A) that has a specific chemical structure and is liquid at room temperature. The cosmetic composition also comprises an oil agent (B). The cosmetic composition generally provides a cosmetic film having excellent water resistance, and can be easily removed by normal soap and water.

Abstract: Provided is a polyether-modified silicone composition. The composition comprises (A) a polyether-modified silicone, and (B) a monool organic compound. The monool organic compound (B) is selected from (B1) a glycol ether compound having a hydrogen atom substituted by an alkyl group having from 2 to 8 carbon atoms at one end, a secondary alcoholic hydroxy group at the other end, from 2 to 3 repeating oxyalkylene units having from 2 to 4 carbon atoms, and (B2) a tripropylene glycol monomethyl ether. Isopropyl alcohol does not exceed 1 mass % of the entire composition. Applications and manufacturing methods for the composition are also provided.

Abstract: A polyether-polysiloxane block copolymer composition is disclosed. The copolymer composition comprises (A) a polyether-polysiloxane block copolymer having in a molecule structural units as expressed by General Formula (1) below: where a terminal group thereof is an alkenyl group or the like bonded to a polyether portion. The copolymer composition further comprises (B) a liquid monool organic compound, which is (B1) a glycol ether compound having a low degree of polymerization, a terminal hydrogen substituted with a hydrocarbon group, and a secondary alcoholic hydroxyl group provided on another terminal, or (B2) a higher alcohol compound having a branched alkyl group with 12 or more carbon atoms. The copolymer composition generally does not contain a dimethyl polysiloxane at more than the mass of component (A). A manufacturing method, foam stabilizer or the like containing the copolymer composition, and a polyurethane foam are also disclosed.

Abstract: Provided is a polyether-modified silicone composition. The composition comprises (A) a polyether-modified silicone, and (B) a monool organic compound. The monool organic compound (B) is selected from (B1) a glycol ether compound having a hydrogen atom substituted by an alkyl group having from 2 to 8 carbon atoms at one end, a secondary alcoholic hydroxy group at the other end, from 2 to 3 repeating oxyalkylene units having from 2 to 4 carbon atoms, and (B2) a tripropylene glycol monomethyl ether. Isopropyl alcohol does not exceed 1 mass % of the entire composition. Applications and manufacturing methods for the composition are also provided.

Abstract: A polyether-polysiloxane block copolymer composition is disclosed. The copolymer composition comprises (A) a polyether-polysiloxane block copolymer having in a molecule structural units as expressed by General Formula (1) below: where a terminal group thereof is an alkenyl group or the like bonded to a polyether portion. The copolymer composition further comprises (B) a liquid monool organic compound, which is (B1) a glycol ether compound having a low degree of polymerization, a terminal hydrogen substituted with a hydrocarbon group, and a secondary alcoholic hydroxyl group provided on another terminal, or (B2) a higher alcohol compound having a branched alkyl group with 12 or more carbon atoms. The copolymer composition generally does not contain a dimethyl polysiloxane at more than the mass of component (A). A manufacturing method, foam stabilizer or the like containing the copolymer composition, and a polyurethane foam are also disclosed.