Sunny Isle Extra Dark Jamaican Black Castor Oil 8ozOur Extra Dark Oil, as the name implies, has the most Ash Content. It is thick and rich and is the most effective Oil for all your Hair and Skin conditions. Sunny Isle Extra Dark Jamaican Black Castor Oil is processed the traditional way. Our Organic seeds are roasted and ground by a manual Grinder and then the crushed beans are boiled to extract the 100% pure, dark brown, organic oil. It's the best quality oil on the market. Why you may ask? Compared