Vetiver essential oil, also called khus oil, is extracted from the vetiver plant (Vetiveria zizanioides). It is distilled from the vetiver plant’s roots, which are aged before being soaked in water.

Essences or ruh are extracted from herbs ... The essence of khus grass is sweet and cooling. Khus oil has a strong, deep aroma of the forest.The essence is good for all three doshas.