Myriam Cohen-Welgryn has joined L'Oréal as president of the Active Cosmetics Division and a member of the executive committee. Cohen-Welgryn will report to Nicolas Hieronimus. She succeeds Brigitte Liberman, who has elected to retire at the end of 2020, following 34 years within the group including 15 years as president, Active Cosmetics Division.   “I would like to thank Brigitte Liberman and express my deep gratitude for her outstanding contribution to the group over all these years,” s...