From Hope Gillerman, founder of the aromatherapy line H. Gillerman Organics, an indispensable guide to the fundamentals of one of our most ancient and aromatic healing tools, essential oils-nature's most concentrated plant medicines. Fragrant and wonderfully sensual, one hundred times more concentrated than dried herbs, essential oils are the ultimate in luxurious natural self-care. Pairing pleasure with potent healing, essential oils have been a...