**About the Special Issue Editor**

**Christophe Hano**, who completed his Ph.D. in 2005 in Plant Physiology, Biochemistry, and Molecular Biology, is now an Assistant Professor at the University of Orleans at Research INRAE Lab LBLGC USC1328 and a member of the Cosm'ACTIFS Research Group (CNRS GDR3711). His research career has focused on applied plant metabolism and plant biotechnology. He has written more than 100 scientific papers, reviews, and book chapters in internationally renowned journals, and edited a variety of journal topical issues on plant secondary metabolism, including polyphenols. He is the Assistant Editor and an Editorial Board Member of several renowned Q1 Journals in Plant Biochemistry and Biotechnology. Currently, he is developing research projects aimed at studying plant secondary metabolism to lead to the development of natural products with interests in pharmacology or cosmetics. His research focuses on the elucidation of biosynthetic mechanisms of plant natural products and their exploitation by metabolic engineering approaches. He conducts research projects in cooperation with industrial companies and he coordinates the European Le Studium-<sup>R</sup> Consortium Action on the bioproduction of bioactive extracts for cosmetic applications through plant cell in vitro cultures. In this context, he is exploring the potential of the Loire Valley Flora Area for cosmetic applications.
