Alpha-terpineol is a monoterpene found in the essential oils of several aromatic plant species. It has an anti-inflammatory and antioxidant effects. alpha-Terpineol is a fragrance ingredient used in decorative cosmetics, fine fragrances, shampoos, toilet soaps, and other toiletries as well as in non-cosmetic products such as household cleaners and detergents. alpha-Terpineol was approved by the FDA as a flavor.