Book excerpt: Designed as an educational and training text, this book provides a clear and easily understandable review of cosmetics and over the counter (OTC) drug-cosmetic products. The text features learning objectives, key concepts, and key terms at the beginning and review questions and glossary of terms at the end of each chapter section. • Overviews functions, product design, formulation and development, and quality control of cosmetic ingredients • Discusses physiological, pharmaceutical, and formulation knowledge of decorative care products • Reviews basic terms and definitions used in the cosmetic industry and provides an overview of the regulatory environment in the US • Includes learning objectives, key concepts, and key terms at the beginning and review questions and glossary of terms at the end of each chapter section • Has PowerPoint slides as ancillaries, downloadable from the book's wiley.com page, for adopting professors