Patent ID: 6255332
Filing Date: 2001-07-03
Classification: A61K,A61Q

Abstract:
A process for the preparation of a cosmetic or dermatological composition, comprising the step of including in said composition at least one anti-penetrating agent, said anti-penetrating agent being an oxazolidinone compound of formula (I): ##STR3##wherein:R.sub.1 represents a linear or branched, saturated or unsaturated hydroxyalkyl radical having from 6 to 27 carbon atoms,R.sub.2 represents hydrogen or a linear or branched, saturated or unsaturated alkyl or hydroxyalkyl radical having from 1 to 7 carbon atoms, andX and Y, which are different from each other, represent --NR.sub.3 or an oxygen atom, R.sub.3 representing hydrogen or a linear or branched, saturated or unsaturated alkyl or hydroxyalkyl radical having from 1 to 8 carbon atoms wherein said at least one anti-penetrating agent is included in said composition in an amount effective for, and for the purpose of reducing or preventing penetration into the skin, hair or mucous membrane of said at least one active agent.