Vetiver oil is an essential oil derived from the roots of the Vetiveria zizanioides plant, which is a type of perennial grass. It has a unique earthy, woody, and slightly sweet aroma, which is commonly used in perfumery, aromatherapy, and skincare. Vetiver oil has been shown to have calming effects on the nervous system and can help reduce feelings of anxiety and stress. It can be diffused in a room or added to a bath to promote relaxation. It can be added to a carrier oil and applied to the skin or used in a diffuser to keep insects at bay.