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 Lavender essential oil is made from 400/500 grams of Lavandula Angustifolia leaves and flowers. 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 diluted in the bath hot water for a relaxing bath after a long day at work.