Nasyam is a method of Kalarichikilsa where the medicated oil or herbal juices are administered through the nose for the period of time prescribed by the Gurukkal or medical practitioner. It acts by removing the excess humors accumulated in the different sinus cavities and throat. Nasyam is highly effective for different kinds of migraine, hormonal imbalances, paralysis, mental disorders, premature graying of hair, loss of smell and taste and even can add clarity to voice. It cleanses the different cavities and increases oxygenation thus improving brain functioning.