There are different ways one can take vasambu internally. Some ways are: 1. Crush Vasambu and boil it in water. Boil till the water is reduced to half quantity. Filter and drink the boiled water. 2. Dip Vasambu in water. Swipe it on a stone and use. For babies and infants, this is one of the best way to give. 3. Show Vasambu directly on flame till it is burnt and become black. You can swipe it on a stone and use it. Or you can grind the burnt vasambu and store the powder in an air tight container.