Difeel Castor Root Stimulator is a nutrient-rich vegetable oil from castor beans. Castor Oil is a long-chained fatty acid. Fatty acids provide essential proteins and nutrients to hair follicles and prevent hair follicle inflammation. It’s also perfect formula for longer, stronger and thicker hair. Castor oil, although it originates in Tropical East Africa, it is widely used for cosmetic and medicinal purposes in India and the West Indies. Castor oil is a powerful ally in hair re-growth and thickness.