On Natural Curl-N-Wavy Jamaican Curl Defining Conditioner & Detangler Black Castor Oil ON NATURAL Premium Oil-Free Curl-N-Wavy Curl Defining conditioner & Detangler for natural & synthetic hair made with superior quality Vitamin E, Shea Butter, Olive & Tea Tree Extracts. This is excellent for all types of curly & wavy hairs with defining ''S'' pattern of the curl. Special protein formula helps repair dry, damaged hair and prevents inner-fiber friction and breakage.