How to properly clean the vulva? do women need to clean vagina too?

No!: The vulva can be washed with simple gentle soap and water. No harsh soaps. The vagina never ever needs to be cleaned. In fact cleaning it will harm it. As long as woman has good diet, exercise, and sleep then vagina takes care of itself. Sometimes medical conditions like diabetes can make risk for yeast infection in vagina higher. Stds can cause infections in vagina --- and these must be treated.