When we smell the particular scent of a flower, walk in the woods in the mountains, peel an orange, caress the leaves of a medicinal herb or use a spice in the kitchen, that scent we perceive is the essential oil contained in the plant. 100% PURE. This Tea Tree essential oil is made from 500/600 grams of Melaleuca Alternifolia leaves. Here are some usage tips recognized by the herbal literature. For indoor 5 drops diluted in the water of the radiator humidifier or in that of the electric diffuser to obtain a regenerating and positive atmosphere. 10 drops emulsified with detergent for cleaner laundry.