Cosmetic and/or dermatological composition (A), comprises at least one C-glycoside derivative (I) and emulsifying polymer of polyolefins containing polar portions and amphiphilic polymers comprising at least one acrylamido-2-methylpropanesulfonic acid (AMPS) unit, in a medium. Independent claims are included for: (1) a method for preventing and/or combating the signs of ageing of the skin comprising applying to the skin a combination of at least one C-glycoside derivative and emulsifying polymer of polyolefins containing polar portions and amphiphilic polymers comprising at least one AMPS unit； and (2) a method for making up and/or caring for keratin materials comprising applying to the keratin materials at least on one coat of (A). ACTIVITY : Dermatological ； Antiinflammatory； Antipsoriatic； Antilichen； Antipruritic. MECHANISM OF ACTION : None given.
