The use of aroma products is believed to have a number of medicinal benefits. The practice of using a variety of such products to cure and relieve the human body of certain disorders is popularly known as aromatherapy. Most of these products are derived from certain herbs and flowers. Some of the most commonly used aroma products include oils, soaps, lotions and scented candles. Aromatherapy is based on the practice of using these products to revitalise the mind and the body. Today there are millions of spas and health centres that utilise various types of oils and scented candles to relieve stress.