Find the best aromatherapy classes and aromatherapy practice buddy at HeyKiki and learn how to practice aromatherapy. Aromatherapy uses scents created from burning essential oils from plants and other natural sources to improve physiological and physical health. The aroma of essential oils stimulate the brain, triggering a chemical reaction which can be therapeutically beneficial. Though yet to be acknowledged as legitimate medicine by the scientific community, aromatherapy is increasing in popularity.