Book Review: Herbal Principles in Cosmetics: Properties and Mechanisms of Action - De Canha, Marco Nuno; Steyn, Aimee; Blom van Staden, Analike; Fibrich, Bianca Daphne; Lambrechts, Isa Anina; Denga, Lilitha Lwando; Lall, Namrita (Frontiers in Pharmacology, 2020)