This is done by pouring certain lukewarm herbal oils into a cap put on the head.
Sirovasthi is the retention of warm medicated oil over the head for a certain amount of time.
Step 1 : The first step of Sirovasthi starts with the application of warm herbal oil all over the body.
Step 2 : Carefully fix an elongated leather cap around the person's head into which medicated oil of tolerable warmth is poured. The oil has to be retained on the head.