OKAY Pure Naturals Black Jamaican Castor Oil works great on all hair types to naturally grow strong hair. Castor oil provides moisture and promotes healthy growth."Experience the time-honored benefits of OKAY Pure Naturals Black Jamaican Castor Oil – Original Dark, a nutrient-rich oil designed to restore, strengthen, and promote healthier hair and skin. Extracted from roasted castor beans, this deeply penetrating oil is packed with essential fatty acids, vitamins, and antioxidants that nourish the scalp, stimulate hair follicles, and encourage stronger, thicker, and longer hair growth.