Aromatherapy is a pseudoscience based on the usage of aromatic materials, including essential oils, and other aroma compounds, with claims for improving psychological or physical well-being.Aromatherapy are often defined as a controlled use of aromatic plant oils for therapeutic or preventive purposes. It are often applied through aerial diffusion, direct inhalation, and topical applications. the utilization of essential oils for therapeutic and spiritual purposes are often dated back to ancient civilizations, including the Chinese, Indians, Egyptians, Greeks, and Romans. However, the start of up to date aromatherapy is usually attributed to the pioneer work of the chemist René-Maurice Gattefossé and doctor Jean Valnet from the first twentieth century in France.It was not until the 1980s that aromatherapy became popular in the United States and began to gain attention for its potential clinical applications.