Sunny Isle Ylang Ylang Jamaican Black Castor Oil. Ylang Ylang oil offers numerous health benefits, which explains the reason why it is so popular. In aromatherapy, Ylang Ylang evokes feelings of deep calm that melt away anxiety, tension and stress. It has a fabulous stimulating effect on the skin. Ylang Ylang oil helps to correct the production of sebum (Oil) in the body and is also of great value in hair care. Just imagine what the combination of Ylang Ylang and Jamaican Black Castor Oil will do for your skin and hair!