CRISTINA PEDRAZZINI / SCIENCE PHOTO LIBRARY CRISTINA PEDRAZZINI / SCIENCE PHOTO LIBRARY
Aromatherapy burner and flowers. The clay oil burner (left) is heating water that has essential oil added to it. Aromatherapy is a branch of alternative medicine using oils extracted from plants. Oils are either inhaled (as in this case), applied in small quantities through massage, or incorporated into creams.
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