The company for all your vitamin and nutritional needs. Active Ingredients: Melaleuca Alternifolia Leaf Oil (Tea Tree) Uses: A pure oil culled from the leaves of a tree native to Australia. Traditionally, it has been used as a topical agent for the skin. Our superior grade of tea tree oil is meticulously analyzed to ensure that it exceeds these levels of oil quality standards decreed by the Australian government. Pharmaceutical grade. 100% pure Australian oil. Natural antiseptic.