Sclareol is a fragrant chemical compound found in clary sage (Salvia sclarea), from which it derives its name. It is classified as a bicyclic diterpene alcohol. Sclareol is used as a fragrance in cosmetics and perfumes and as flavoring in food. Sclareol and other similar substances may be prepared from sclareolide.Sclareol is also able to kill human leukemic cells and colon cancer cells by apoptosis.