American Dream Strengthening Shampoo with Jamaican Black Castor Oil 16 oz. A strengthening shampoo with a nourishing blend of Jamaican Black Castor Oil, Shea Butter and Aloe. This shampoo leaves hair soft and silky while relieving dry and itchy scalp. How to use: Massage into wet hair to create a foam. Rinse thoroughly. For best results, use American Dream Jamaican Black Castor Oil Conditioner and Hair Mask.