Yoshihiro Tokudome, Ph.D., is a Professor at the Faculty of Science and Engineering, Saga University, Japan. He received his Ph.D. in pharmaceutical sciences from the University of Shizuoka and is a licensed pharmacist. Before joining Saga University, he worked for ten years at POLA Chemical Industries, engaging in formulation development and skin research. He then served as an Assistant Professor at Musashino University, and later as an Associate Professor and Professor in the Faculty of Pharmaceutical Sciences, Josai University, where he was involved in pharmaceutics education and skin science research. His current research focuses on transdermal drug delivery systems, skin barrier functions, and the application of plasma and polysaccharide-based technologies in cosmetic science. Professor Tokudome has actively contributed to academic societies, serving as a director of the Society of Cosmetic Chemists of Japan (SCCJ) and the Japanese Cosmetic Science Society (JCS), as well as a councilor of the Japan Pharmaceutical Society. He has led numerous industry–academia collaborative projects related to cosmetic innovation and advanced skin science in Japan.