Simple Homemade Shampoos Without Castile Soap | eHow
Aug 30, 2017·To make enough for several weeks, use 1 3/4 cups of each, or one can of commercial coconut milk to 1 3/4 cups of gel. Add four or five drops of essential oil if you want your shampoo to have fragrance. Pour the shampoo into ice-cube trays and place them in the freezer.