The above mentioned method is the sunnat procedure for ghusl. In ghusl, some acts are compulsory without which one’s ghusl will not be correct and one will remain impure. Thus it is necessary to have the knowledge of what is compulsory in ghusl. Only three acts are compulsory in ghusl.
1. To gargle one’s mouth (in such a method that water reaches the entire mouth.)
2. To place water in the nose ( upto the soft portion)
3. To make water reach the entire body.