Essential oil extracted from the leaves of the Tea Tree. BIFEMME Tea Tree Oil is 100% pure and guarantees an active ingredient content (total terpenes) of over 40%. To nourish and deeply cleanse dull hair. Directions for use: Add 2 or 3 drops of oil to the amount of shampoo you normally use. Mix and then wash your hair as normal. You can soak a comb with a few drops of Tea Tree Oil and then brush your hair.