It is often said that the simplest way to clear and supple skin that is no longer dry is to drink  plenty of  water.  Water  has  long been considered as  the  most effective naturaltreatment or an almost free treatment for any skin condition because of its being alkaline,with pH 7.3.  It prevents dehydration which is capable of producing sebum or oil from the sebaceous glands.Your skin needs water in order for it to function best, thus doctors and nutritionists recommend that a daily intake of between 6 to 8 glasses of water per day is highly needed.