| abstract |
Urethane derivatives of general formula: R′O-CO-NH- H-COOH (I) in which R represents a group -CH₂OH, -CHOH-CH₃ or - (CH₂) ₃-NH-CO-NHY, Y representing -H or COOR ′, R ′ represents a linear or branched alkyl group, optionally unsaturated, having from 8 to 24 carbon atoms, or a monocyclic cycloalkyl group substituted by an alkyl, the total number of carbon atoms of which is greater than or equal to 10, as well as the salts of the compounds of formula I, and mixtures of the compounds of formula I and / or their salts; their preparation and their application in particular as moisturizing agents in cosmetic or pharmaceutical compositions intended for the treatment of dry skin. |