This is pure Khus essential oil, that is, pure oil of Vetiveria zizanoides. Vetiver is a tall, tufted, perennial, scented grass with long narrow leaves and an abundant complex lacework of underground white roots. It is mainly cultivated in the tropics such as India, Tahiti, Java and Haiti. Vetiver grass was used in Calcutta for awnings, blinds and sunshades, in Java the roots were used for weaving mats and thatching huts and in Haiti the grassy parts were also used for thatching. It gave rooms an exquisite fragrance and deterred insects. Vetiver is also known as the 'oil of tranquility' because of its calming properties. It is a popular ingredient for soaps, toiletries and perfumes. The therapeutic properties of Vetiver oil are: antiseptic, antispasmodic, stimulant and nervine. Vetiver oil calms and soothes the mind, thus helping with nervous tension and stress. It can revitalize the body and help with mental and physical exhaustion. In vapor therapy Vetiver oil can be helpful for nervous complaints and insomnia. In blended massage oil or diluted in the bath, Vetiver oil can assist with: mental and physical exhaustion, nervous complaints, rheumatism, arthritis and insomnia. Vetiver oil blends particularly well with Benzoin, Grapefruit, Jasmine, Lavender and Ylang ylang.