Have you seen someone put coconut oil in their hair and wondered if you should try it too? It is a popular hair care tip, but it does not work the same way for everyone. Here is what coconut oil may do, when it may cause trouble, and how to try it with care. What can coconut oil do for hair? Coconut oil may help protect the hair you already have. In one study, hair treated with coconut oil lost less protein during washing and grooming. That may help some hair feel less dry or