The Alchemy of Essential Oils - A Complete Book of Essential Oils and Aromatherapy

Essential oils have varying quality. Whether you are an aromatherapist or a consumer, assessing the quality of essential oils (EOs) is not easy. They originate from across the world and companies, or suppliers get them from wholesalers or farmers whose integrity and practices they have learned to trust. The end consumer has no idea and cannot assess these practices and relationships.