| abstract |
The present invention relates to microcapsules with an aqueous core containing at least one water-soluble cosmetic or dermatological active principle, and with a polymeric and / or waxy envelope, in which said envelope consists of at least one polymer chosen from polycaprolactone, poly (3 -hydroxybutyrate), poly (ethylene adipate), poly (butylene adipate), esters of cellulose and at least one C1-4 carboxylic acid, copolymers of styrene and maleic anhydride, copolymers of styrene and of acrylic acid, the styrene-ethylene / butylene-styrene block terpolymers, the styrene-ethylene / propylene-styrene block terpolymers, and the terpolymers of ethylene, vinyl acetate and maleic anhydride, and / or, d '' at least one wax chosen from beeswax, polyglycerolated beeswax, hydrogenated vegetable oils, paraffin with a melting point above 45 ° C and silicone waxes. |