This updated edition describes the most widely used and easily available essential oils. It includes a step-by-step, full-body aromatherapy massage treatment, and offers an alternative to prescription medicine. Shirley Price is the author of Practical Aromatherapy. Aromatherapy oils have been used since ancient times to cleanse the body, strengthen the immune system, and release tension. Extracted from the petals, leaves, roots, and resins of plants, these essential oils can provide a lovely and effective scented therapy used in massage, baths, compresses, inhalations, room fresheners, shampoos, and body lotions.