The satin bonnet coconut cap is made of a great satin material that protects your hair from dryness caused by friction between your hair and moisture absorbing materials such as cotton. This also helps to reduce breakage, tangles, and thinning. The bonus to this cap is that it’s a coconut oil treated cap, which means natural nourishment to your hair! Coconut oil is known as one of the best natural moisturizers for the hair and scalp. This cap promotes healthy hair growth.