Black Castor Oil Skin and Hair Butter protects and restores nutrients to dry hair, scalp and skin, providing ultimate hydration and softening. Jamaican Mango & Lime Jamaican Black Castor Oils are powerful, versatile soothing oils that are manually roasted and ground from Jamaican castor beans, then cooked to produce a 100% pure organic oil. Rich in shea butter and essential oils, skin for ultimate hydration and softening.