The use of medicated oils, either internally or externally, is called Snehan (oleation). Snehan refers to the administration of medicated fats or the massage of oil over the skin for a specific period. A number of methods of Snehan therapy have been described in the Ayurvedic texts. The use of oleation results in unctuousness and softness of morbid doshas, which become easily extractable and ready to move from places where their occupation is undesirable and unwarranted.