Abstract: Provided is a water-in-oil type cosmetic including: an oil agent having a melting point of 20° C. or lower; a silicone gel; a modified silicone surfactant having a hydrophile-lipophile balance value of less than 6; inorganic particles of at least one selected from the group consisting of titanium oxide, iron oxide, and mica; water; and a co-emulsifier, in which the oil agent having a melting point of 20° C. or lower contains 60% by mass or greater of silicone oil, a content of the modified silicone surfactant having a hydrophile-lipophile balance value of less than 6 is greater than 0.1% by mass and less than 1% by mass with respect to a total amount of the water-in-oil type cosmetic, and the inorganic particles of at least one selected from the group consisting of titanium oxide, iron oxide, and mica are contained in an oil phase.

Abstract: Provided is an oil-in-water type cosmetic including an evening primrose seed extract at a content of more than 0% by mass and less than 0.1% by mass with respect to a total mass of the oil-in-water type cosmetic; a carotenoid; at least one nonionic surfactant which is selected from the group consisting of a glycerin fatty acid ester, a polyglycerin fatty acid ester, a polyoxyethylene glycerin fatty acid ester, and a polyoxyethylene sorbitan fatty acid ester and in which the number of carbon atoms in the fatty acid moiety is 12 to 22; an ionic surfactant; a silicone oil having a melting temperature of 25° C. or lower; an oily component having a melting temperature of higher than 25° C.; and water.

Abstract: It is an object of the present invention to provide a method for producing a hair cosmetic product comprising protein nanoparticles which is obtained by mixing an aqueous medium and an oil medium, wherein the method enables stable emulsification without losing the performance of the protein nanoparticles. The present invention provides a method for producing a hair cosmetic product containing protein nanoparticles which is obtained by mixing an aqueous medium and an oil medium, wherein (a) protein nanoparticles having a mean particle size of 10 to 200 nm are mixed with an aqueous medium having a pH value different from the isoelectric point of the protein at an amount of 0.01% by weight to 5% by weight based on the total weight of the entire solution; and (b) the obtained liquid is mixed with a substance selected from a cationic substance and an anionic substance, which has an electric charge that is on the same side as that of the protein obtained in the step (a).

Abstract: An object of the present invention is to provide a liquid composition wherein minoxidil can be dissolved at a relatively high concentration (the saturating amount or above), stimulation of skin and stickiness is suppressed without containing an organic solvent, and excellent effects of percutaneous absorption is achieved. The present invention provides a liquid composition comprising (i) minoxidil, (ii) bile acid or a salt thereof, and (iii) an aqueous medium in an amount of 30% by weight or more of the weight of the composition.

Abstract: An object of the present invention is to provide a liquid composition wherein minoxidil can be dissolved at a relatively high concentration (the saturating amount or above), stimulation of skin and stickiness is suppressed without containing an organic solvent, and excellent effects of percutaneous absorption is achieved. The present invention provides a liquid composition comprising (i) minoxidil, (ii) bile acid or a salt thereof, and (iii) an aqueous medium in an amount of 30% by weight or more of the weight of the composition.

Abstract: It is an object of the present invention to provide: a positively charged nanoparticle which can be produced without using surfactants or synthetic polymers, the size of which can be controlled, which is stable at acidic condition, and which contains an active substance therein; and a method for producing the same. The present invention provides a casein particle, wherein zeta potential is positive.

Abstract: It is an object of the present invention to provide a composition for hair which comprises a hydrophobic ingredient although it has an extremely low alcohol concentration, and which has a low viscosity. The present invention provides a composition for hair having a viscosity of 30 P or less, which comprises 1% to 50% by weight of alcohol and which further comprises a hydrophobic hair active ingredient.

Abstract: It is an object of the present invention to provide a nanoparticle which comprises a blood circulation promoter and a biodegradable polymer, which is safe and excellent in terms of dispersion stability and has high transparency and good absorbability due to its small particle size. The present invention provides a water-dispersible nanoparticle which comprises a blood circulation promoter and a biodegradable polymer.

Abstract: A silver halide photographic light-sensitive material and an aqueous coating composition, each containing at least one compound represented by formula (1): in which, in formula (1), A1 and A2 each independently represent a hydrogen atom or a fluorine atom, x and y each independently represent an integer of from 1 to 6, L1 and L2 each independently represent —CH2— or —CH2OCH2—, z represents the number of from 1 to 60, R1 and R2 each independently represent a hydrogen atom or a substituent, and R3, R4, R5 and R6 each independently represent a hydrogen atom, a methyl group or a hydroxymethyl group.

Abstract: Disclosed is a silver halide photographic material containing a non ionic fluorine compound of formula (1) and an anionic fluorine compound of formula (2). The silver halide photographic material has good static resistance and excellent anti static properties. (1): C4F9—CH2CH(OH)CH2—(OCH2CH2)m—OCnH2n+1 wherein m is 15–40; n is 8–24; (2): wherein R11–R13 are H or substitutent; n1 and n2 are 4–8; L11 and L12 are alkylene, alkyleneoxy, or linking group; m11 is 0–1; M1 is cation.

Abstract: Disclosed is a silver halide photographic material containing a nonionic fluorine compound of formula (1) and an anionic fluorine compound of formula (2). The silver halide photographic material has good static resistance and excellent antistatic properties. (1): C4F9—CH2CH(OH)CH2—(OCH2CH2)m—OCnH2n+1 wherein m is 15-40; n is 8-24; (2): wherein R11-R13 are H or substituent; n1 and n2 are 4-8; L11 and L12 are alkylene, alkyleneoxy, or linking group; m11 is 0-1; M1 is cation.

Abstract: A silver halide photographic light-sensitive material and an aqueous coating composition, each containing at least one compound represented by formula (1): in which, in formula (1), A1 and A2 each independently represent a hydrogen atom or a fluorine atom, x and y each independently represent an integer of from 1 to 6, L1 and L2 each independently represent —CH2— or —CH2OCH2—, z represents the number of from 1 to 60, R1 and R2 each independently represent a hydrogen atom or a substituent, and R3, R4, R5 and R6 each independently represent a hydrogen atom, a methyl group or a hydroxymethyl group.

Abstract: A silver halide photographic light-sensitive material having one or more layers including at least one light-sensitive silver halide emulsion layer on a support, wherein any of the layers formed on the support contains a compound represented by the following formula (1) and a fluorine-containing surfactant (in the formula (1), R1 represents an alkyl group or alkenyl group having 6-25 carbon atoms, ml represents an integer of 0-30, n1 represents an integer of 0-4, a represents 0 or 1, and Z1 represents OSO3M or SO3M, where M represents a cation). There is provided a silver halide photographic light-sensitive material that shows superior antistatic property and can be stably produced.

Abstract: A silver halide photographic material of the invention contains a support having on at least one surface thereof at least one photosensitive silver halide emulsion layer, and a surface protective layer. The silver halide photographic material of the invention may include a hydrophilic colloid layer containing a hydrophilic colloid, in addition to the surface protective layer. The silver halide photographic material of the invention contains at least two kinds of surfactants that are different from each other. One of the surfactants (type 1) has a fluoroalklyl group or a fluoroalkylene group. The other (type 2) is an anionic surfactant containing ethyleneoxy repeating units and having an alkyloxy group or an alkylcarbonyl group at an end thereof.

Abstract: A silver halide photographic light-sensitive material having one or more layers including at least one light-sensitive silver halide emulsion layer on a support, wherein any of the layers formed on the support contains a compound represented by the following formula (1) and a fluorine-containing surfactant (in the formula (1), R1 represents an alkyl group or alkenyl group having 6-25 carbon atoms, ml represents an integer of 0-30, n1 represents an integer of 0-4, a represents 0 or 1, and Z′ represents OSO3M or SO3M, where M represents a cation). There is provided a silver halide photographic light-sensitive material that shows superior antistatic property and can be stably produced.

Abstract: A silver halide photographic material of the invention contains a support having on at least one surface thereof at least one photosensitive silver halide emulsion layer, and a surface protective layer. The silver halide photographic material of the invention may include a hydrophilic colloid layer containing a hydrophilic colloid, in addition to the surface protective layer. The silver halide photographic material of the invention contains at least two kinds of surfactants that are different from each other. One of the surfactants (type 1) has a fluoroalklyl group or a fluoroalkylene group. The other (type 2) is an anionic surfactant containing ethyleneoxy repeating units and having an alkyloxy group or an alkylcarbonyl group at an end thereof.