Composition for topical application, in the form of oil-in-water emulsion comprising an oil phase dispersed in an aqueous phase, comprises at least one non crosslinked amphiphilic polymer comprising (a) 80-99 mole% of 2-acrylamido 2-methylpropane sulfonic acid (I) (b) 1-20 (preferably 1-15) mole% of ethylene unit (II) and at least one organopolysiloxane elastomer. Composition for topical application, in the form of oil-in-water emulsion comprising an oil phase dispersed in an aqueous phase, comprises at least one non crosslinked amphiphilic polymer comprising (a) 80-99 mole% of 2-acrylamido 2-methylpropane sulfonic acid of formula (-CH 2-CH(C(=O)-NH-C(CH 3) 2-CH 2-SO 3X)-) (I) (b) 1-20 (preferably 1-15) mole% of ethylene unit of formula (-CH 2-C(R 1)(C(=O)-O-(CH 2CH 2O) n-(CH 2CH(CH 3)O) p-R 3)-) (II) and at least one organopolysiloxane elastomer. X : proton, cation of alkali metal, an alkaline earth cation or ammonium ion n, p : 0-30, preferably 1-20, where n+p is = 30, preferably less than 20 R 1H or 1-6C alkyl (preferably methyl) and R 36-30C (preferably 10-25C) alkyl. Provided that when X is an alkaline earth metal cations, which share two positive charge with two SO 3 groups. ACTIVITY : Dermatological. MECHANISM OF ACTION : None given.La présente demande se rapporte à une composition pour application topique, sous forme démulsion huile-dans-eau comprenant une phase huileuse dispersée dans une phase aqueuse, caractérisée en ce quelle comprend au moins un polymère amphiphile non réticulé et au moins un organopolysiloxane élastomère.