Aromatherapy is a the usage of aromatic materials, including essential oils, and other aroma compounds, for improving psychological or physical well-being.  It is offered as a complementary therapy or as a form of alternative medicine, the first meaning alongside standard treatments, the second instead of conventional, evidence-based treatments.

Aromatherapists, people who specialize in the practice of aromatherapy, utilize blends of therapeutic essential oils that can be used as topical application, massage, inhalation or water immersion.