SYSTEM FOR PROLONGED RELEASE OF COSMETIC AGENTS

摘要

The present invention relates to a system for the release of cosmetic agents comprising at least one phospholipid, hyaluronic acid or derivatives thereof and a cationic polyurethane derivative. The system of the invention may be used in the formulation of cosmetic preparations for obtaining the protracted release of cosmetic agents or active substances to the epidermis or the keratinic structures of the human body, with a simultaneous reduction in the frequency of application.