Description:The increasing number of individuals affected by sun damage has inspired cosmetic chemists to research new vehicles for improved protection against UVA and UVB rays. Sunscreens: Regulations and Commercial Development, Third Edition collects the latest research and perspectives on sunscreen development, assessment, formulation, and quality control from leading authorities in academia, industry, and the regulatory and medical communities. It describes the evolution, chemistry, evaluation, and regulation of sunscreens in the 21st century for improved skin protection and discusses analytical testing procedures for sunscreens including in-vivo testing, UVA testing, and in-vitro assays