my hair is going very thin and is gradually losing its thickness and vitality.this is avery bad sign at my age of only thirty five.if this is the scenario of my hair now,what will hapen in the future,so from now on i need to start taking care of my hair and not abuse my hair.my mother- in- law then gave me a traditional solution of using castor oil for my hair.before i use Castor Oil For Hair i need to know as to what amount of castor oil do i need to apply and at what part of the scalp so that it can help in giving my hair the required thickness?