A water-in-oil emulsion cosmetic comprising the following to: 0.5 to 10 mass% of a sterol derivative selected from di(phytosteryl/octyldodecyl) lauroyl glutamate, macadamia nut oil fatty acid phytosteryl, di(octyldodecyl/phytosteryl/behenyl) lauroyl glutamate, myristoyl methyl-β-alanine (phytosteryl/decyltetradecyl), (phytosteryl/behenyl) dimer dilinoleate, (phytosteryl/isostearyl/cetyl/stearyl/behenyl) dimer dilinoleate, bis(behenyl/isostearyl/phytosteryl) dimer dilinoleyl dimer dilinoleate, di(isostearyl/phytosteryl) dimer dilinoleate, di(cholesteryl/behenyl/octyldodecyl) lauroyl glutamate, di(cholesteryl/octyldodecyl) lauroyl glutamate, and macadamia nut oil fatty acid cholesteryl, an oil comprising a volatile oil having low compatibility with, and an oil with a viscosity of less than 1000 mPa•s other than, as determined using a BL-type viscometer (12 rpm, rotor No. 2) at 25°C, wherein the volatile oil having low compatibility with is selected from hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, hexamethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, dodecamethylpentasiloxane, tetradecamethylhexasiloxane, hexadecamethylheptasiloxane, methyltris(trimethylsiloxy)silane, tetrakis(trimethylsiloxy)silane, perfluoromethylcyclopentane, perfluorodimethylcyclohexane, methyl perfluorobutyl ether, methyl perfluoroisobutyl ether, ethyl perfluorobutyl ether, and ethyl perfluoroisobutyl ether, an emulsifying agent, and 65 to 85 mass% of an aqueous component which is normally usable in cosmetics, such as, in addition to water, moisturizing agents, water-soluble polymers, UV absorbers, sequestering agents, antioxidants and medicinal agents, wherein the percentage of component with respect to component and component is 40 to 85%, and wherein the blending quantity of component is two times or less of the blending quantity of component. 0.5 to 10 mass% of a sterol derivative selected from di(phytosteryl/octyldodecyl) lauroyl glutamate, macadamia nut oil fatty acid phytosteryl, di(octyldodecyl/phytosteryl/behenyl) lauroyl glutamate, myristoyl methyl-β-alanine (phytosteryl/decyltetradecyl), (phytosteryl/behenyl) dimer dilinoleate, (phytosteryl/isostearyl/cetyl/stearyl/behenyl) dimer dilinoleate, bis(behenyl/isostearyl/phytosteryl) dimer dilinoleyl dimer dilinoleate, di(isostearyl/phytosteryl) dimer dilinoleate, di(cholesteryl/behenyl/octyldodecyl) lauroyl glutamate, di(cholesteryl/octyldodecyl) lauroyl glutamate, and macadamia nut oil fatty acid cholesteryl, an oil comprising a volatile oil having low compatibility with, and an oil with a viscosity of less than 1000 mPa•s other than, as determined using a BL-type viscometer (12 rpm, rotor No. 2) at 25°C, wherein the volatile oil having low compatibility with is selected from hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, hexamethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, dodecamethylpentasiloxane, tetradecamethylhexasiloxane, hexadecamethylheptasiloxane, methyltris(trimethylsiloxy)silane, tetrakis(trimethylsiloxy)silane, perfluoromethylcyclopentane, perfluorodimethylcyclohexane, methyl perfluorobutyl ether, methyl perfluoroisobutyl ether, ethyl perfluorobutyl ether, and ethyl perfluoroisobutyl ether, an emulsifying agent, and 65 to 85 mass% of an aqueous component which is normally usable in cosmetics, such as, in addition to water, moisturizing agents, water-soluble polymers, UV absorbers, sequestering agents, antioxidants and medicinal agents,