Farnesol is a natural acyclic sesquiterpene alcohol found in various essential oils, including those of rose, ginger, and lemongrass. It has a floral, sweet scent and is used in perfumery and cosmetics for its fragrance and potential antimicrobial properties. Farnesol is also recognized for its role in food flavoring and as a potential health-promoting compound due to its antioxidant properties. It is considered safe for use in food and cosmetics, with a Generally Recognized As Safe (GRAS) status in food applications.