DELIVERY SYSTEM BASED ON A NATURAL MICROPARTICLE FOR USE IN PERSONAL CARE AND OTHER TOPICAL APPLICATIONS

摘要

The present invention includes a composition comprising: (a) a natural substrate material such as cellulose, (b) an active agent, and optionally (c) a release modifier. The composition can be used in a personal care formulation or a topical formulation. The personal care formulation or topical formulation may be a semisolid, or a liquid. Preferred embodiment is retinol absorbed onto microcrystalline cellulose.