A cosmetic or dermatological compositions of oil-in-water emulsion type, including, in a physiologically acceptable medium, at least gemini surfactant of formula (I):in which R1 and R3 denote, independently of one another, an alkyl radical containing from 1 to 25 carbon atoms； R2 denotes a spacer consisting of a linear or branched alkylene chain containing from 1 to 12 carbon atoms； X and Y denote, independently of one another, a group —(C2H4O)a—(C3H6O)bZ； n ranges from 1 to 10, in combination with an effective amount of at least one semi-crystalline polymer which is solid at ambient temperature and which has a melting point below 70° C., said polymer having a number-average molecular mass greater than or equal to 2000, said emulsion having a proportion of fatty phase of greater than 10% by weight relative to the total weight of the composition and including more than 40% by weight of non-volatile oil(s) relative to the weight of the fatty phase.
