Authored by a panel of experts in cell physiology, phytochemistry, ethnopharmacology, applied botany, ethnobotany, and cosmetic science, this book demonstrates the science behind herbal compounds in skincare. Beginning with background in anatomy and physiology of the skin and the classification, mechanisms, and application of herbal compounds, it provides monographs complete with therapeutic properties, specific action and dermatologic properties, toxicities, pictures, and references. Chosen for their importance in traditional use, potential for innovation, or recent introduction to market, selections include higher plants as well as mushrooms, algae, lichens, and bacteria.