Composition in an aqueous medium, comprises an alum, a gum arabic and a salicylic acid compound (I) or its derivative or salt derived from a mineral or organic base. Composition in an aqueous medium, comprises an alum, a gum arabic and a salicylic acid compound of formula (I) or its derivative or salt derived from a mineral or organic base. R : saturated 2-22C aliphatic chain, 2-22C unsaturated chain having one or more optionally conjugated double bonds, aryl directly linked to the carbonyl radical or via optionally saturated 2-7C aliphatic chains (optionally substituted by one or more substituents comprising halo, trifluoromethyl, OH in free form or esterified by 1-6C acid), or carboxyl function in free form or esterified by 1-6C lower alcohol； and R1a : OH. [Image] ACTIVITY : Dermatological. MECHANISM OF ACTION : None given.L'invention concerne une composition comprenant, dans un milieu aqueux physiologiquement acceptable, un alun , un composé d'acide salicylique et de la gomme arabique. Application au soin et au maquillage de la peau.
