Origin: China / Leaf Wintergreen is a clear oil with an aroma recognized in tiger balm or deep heat sports rubs and muscle creams. Anecdotally it is excellent topically in massage oil or cremes for arthritis, muscular aches, pains, warm-up, and pre and post-sports activity. Do not use it on sensitive areas. Blends well with other warming and cooling oils such as rosemary, peppermint, eucalyptus, tea tree, and citrus oils. Pure essential oils are highly concentrated liquid extracts from plants. Aromatic selections of plant varieties include leaves, roots, seeds, stems, fruit, peel, buds, flowers, wood, bark, saps (resins), and herbs. The essential oils are released as an aromatic liquid during the process of distillation or expression. All our essential oils are ethically sourced and are premium grade, 100% natural, biodegradable substances of botanical origin.