SheaMoisture brings exotic oils into your home. SheaMoisture 100% Pure Jamaican Black Castor Oil is a nutrient-rich oil that moisturizes to help defend skins youthful appearance and stimulates circulation to help support healthy hair glow. With its high ash content, pure Jamaican Black Castor Oil is believed to have greater potency. Originating from Eastern Africa, Castor Oil has been used for centuries as a natural remedy for a wide range of skin and hair problems.