Michel Démarchez has worked for more than 30 years in Research in Skin Biology, Dermatology and Cosmetics. He worked for 23 years at Galderma, a leader in Dermatology that he joins as junior searcher to eventually become Director of the Research department. In parallel, he was also consultant on skin biology at Nestlé Research Center. Skin was the biological model that he constantly used for his research. His main expertises are in embryology, wound healing and skin reconstruction, immunodermatology and pharmacology.