Aromatherapy candle and bottles of aromatherapy oils, including oil extracted from the lavender plant (Lavandula angustifolia). Aromatherapy is based on the use of herb and flower oil extracts. These extracts are called essential oils and are blended with carrier oils. This mix can then be massaged into the skin, inhaled, or added to water for bathing. It can also be used to make creams, lotions, perfumes or scented candles. Aromatherapy treatment claims cover a wide range of disorders, particularly psychosomatic and stress-related conditions.