Cosmetic and /or pharmaceutical w/o emulsions comprising an alpha-omega oxyalkylated substituted silicone and a cotensioactive

摘要

The present invention relates to a stable water-in-oil emulsion for cosmetic, pharmaceutical or hygiene use, comprising an aqueous phase and a fatty phase comprising a silicone oil, characterized in that it comprises an emulsifying system comprising at least one alpha,omega-substituted oxyalkylenated silicone of formula (I):in which: R=-(CH2)pO-(C2H4O)x(C3H6O)yR1where:R1 represents H, CH3 or CH2CH3,p is an integer ranging from 1 to 5, x ranges from 1 to 100 and y ranges from 1 to 50,it being possible for the units (C2H4O) and (C3H6O) to be distributed randomly or in blocks,the R2 radicals represent a C1-C3 alkyl radical or a phenyl radical,5<=m<=300,and a co-surfactant chosen from the family of glycol mono- and/or diesters and glyceryl mono-, di- and/or triesters, and mixtures thereof. The invention also relates to a composition comprising the above emulsion, and to its applications in the cosmetics, pharmaceutical, dermatological or hygiene fields.