This third addition of the complete guide to aromatherapy provides us with a framework for the practice of holistic aromatherapy. It provides monographs of 110 essential oils which includes a description of the botany and origins, organoleptic profile, chemical composition, history and traditional uses. Furthermore, it states a comprehensive review of pharmacological and clinical studies, actions and indications, blending tips and advice for safe use. It has been written to provide the reader with a comprehensive understanding of essential oils, whether for personal or professional use.