Winter Special! Purchase two ten-milliliter (0.34 ounce) bottles of biodynamic, organic lavender essential oil, distilled from the cultivar Grosso, and receive a third from our Labyrinth Lot free! Ideal size for aromatherapy use. Being both a tonic and a relaxant, the essential oil balances the nervous system. Medicinally the oil has been used to lower blood pressure, to treat hyperactivity, headaches, insomnia, and states of agony.