ANDRÉ O. BAREL is Emeritus Full Professor of General Chemistry, General and Human Biochemistry, Oral Biochemistry and Cosmetic Sciences at the Vrije Universiteit Brussel, VUB, Brussels, Belgium. He received his Ph.D. in Biochemistry and M.S. in Cosmetic Sciences from the Free University of Brussels, ULB, Brussels, Belgium. Dr. Barel is co-editor of Informa Healthcare’s first and second editions of the Handbook of Cosmetic Science and Technology. Dr. Barel has authored numerous publications in the field of Dermato-Cosmetic Sciences and is a member of the board of the International Society for Bioengineering and the Skin.
MARC PAYE is Senior Research Associate in Colgate-Palmolive R&D, Inc., Brussels; “Maître de Conférence” at the University of Liège, Liège, Belgium. He received his Ph.D. in biochemistry from the University of Liège, Liège, Belgium. Dr. Paye is Co-editor of the first and second editions of Informa Healthcare’s Handbook of Cosmetic Science and Technology. He is Co-editor of Actualités en Ingénierie Cutanée–Volume 3 and author of more than 100 scientific publications and book chapters. Dr. Paye is also a member of several scientific societies and Industry associations.
HOWARD I. MAIBACH is Professor of Dermatology, the University of California School of Medicine, San Francisco, California, USA. He has several decades of research experience in skin diseases and development of skin-related products and is a consultant to government agencies, universities, and the cosmetic industry. Dr. Maibach has published more than 2,000 papers and over 80 textbooks. He is also Co-editor of Informa Healthcare’s first and second editions of the Handbook of Cosmetic Science and Technology, Second Edition; Marzulli and Maibach’s Dermatotoxicology, 7th Edition; and Cosmeceuticals and Active Cosmetics: Drugs vs. Cosmetics, Second Edition, as well as numerous others.