Cosmetic composition and formulation are becoming increasingly complex, and cosmetic ingredients more sophisticated and functional, while laws and regulations impose more constraints on the cosmetic scientist and manufacturer. Cosmetics are unique products, as diverse as foods without the practical limits of controlled shelf lives; they overlap with drugs but without the near sterile manufacturing systems enjoyed by that category of product. The Handbook of Cosmetic Science and Technology reviews in a single volume the multiple facets of the cosmetic field and provides the reader with an...