With Sunny Island Jamaican Black Beaver Oil your hair will become more resilient and shiny. They will grow faster. 100% natural oil. Jamaican Black Castor Oil can also be used in oil baths for even more intense hydration. This castor oil is suitable for all hair types. The efficiency of castor oil is also linked to the duration of roasting, Sunny Isle ensures slow roasting. Jamaican Black Castor Oil Regular is the classic version of the product. If you are looking for an even longer roasted oil, so even thicker and more efficient, choose the extra dark version.