Jamaican Black Castor Soap Want to feel smoother and softer with each passing day? Try this Jamaican Black Castor Oil soap. Jamaican Black Castor Oil helps to moisturize and improve your skin tone while increasing elasticity. This soap is also enriched with shea butter that helps to diminish the appearance of wrinkles or stretch marks. This soap not only moisturizes and heals your skin, it removes impurities from deep within the pores, preventing acne, inflammation, and blackheads. Give this soap a try to experience renewed, refreshed skin.