This oil is water distilled from the dried flower buds of the clove tree there are three different oils obtained from the clove tree leaf bud and stem of these three bud is the safest to use because it has the lowest eugenol content though it is still as high as 60 90 clove oil is used extensively in perfumes cosmetics and dental preparations clove bud oil is recommended for use in a burner or diffuser only unless otherwise advised by a qualified aromatherapist to help stave off win