The best quality vetivert is grown in Java where it thrives as a wild grass. The oil is derived from the root—the older the root, the better the quality of the oil. It has a memorably sweet and strongly herbal fragrance with smoky and earthy undertones. Vetivert oil has a wide range of benefits including helping to reduce scar tissue, easing insomnia and boosting your immune system. It acts as a relaxant and can be used to enhance libido and reduce inhibitions.