Water-in-oil emulsions for use in cosmetics

摘要

A water-in-oil solid emulsion comprising an aqueous phase emulsified with at least one emulsifying surfactant, wherein said at least one emulsifying surfactant is in a fatty phase comprising at least one oil, at least one wax, and at least one block copolymer comprising at least one first monomeric unit chosen from ethylene oxide and propylene oxide units and at least one second monomeric unit chosen from alkylene oxide units comprising from 6 to 40 carbon atoms, wherein the at least one block copolymer has a weight-average molecular weight ranging from 5000 g/mol to 8000 g/mol and the emulsion has a hardness such that the penetration force is greater than or equal to 40 g. Also disclosed herein is the use of this emulsion for making up and/or caring for the skin.