Kapalbhati (Sanskrit: कपालभाति, romanized: kapālabhāti, "Skull-polishing") is an important shatkarma, a purification in hatha yoga.
The word kapalabhati is made up of two Sanskrit words: kapāla meaning "skull", and bhāti meaning "shining, illuminating".
It is intended mainly for cleaning the sinuses but according to the Gheranda Samhita has magical curative effects.
[1] There are three forms of Kapalabhati: