Sunny Isle Jamaican Black Castor Oil Extra Dark (4 oz) is a potent, nutrient-rich oil designed to boost hair growth and promote thicker, fuller hair. This extra dark formulation is packed with vitamins, minerals, and fatty acids that deeply nourish the scalp, improve circulation, and stimulate hair follicles for healthier, stronger hair. Ideal for all hair types, it helps to moisturize the scalp, reduce hair thinning, and prevent breakage, leaving your hair looking and feeling revitalized.