Cosmetics is the study of the science and technology behind the conception, production, marketing, and sale of cosmetic products. It involves understanding various chemical and natural ingredients of these products and their impacts on the human body. Theoretical Principles and Applications covers the fundamental aspects of cosmetic science that are necessary to understand material development, formulation, and the dermatological effects that result from the use of these products. The book fulfills this role by offering a comprehensive view of cosmetic science and technology, including environmental and dermatological concerns. As the cosmetics field quickly applies cutting-edge research to high-value commercial products that have a large impact on our lives and the world's economy, this book is an indispensable source of information that is ideal for experienced researchers and scientists, as well as non-scientists who want to learn more about this topic on an introductory level.