How To Make a Banana, Avocado & Coconut Milk Hair Mask Learn how to make an easy and simple hair mask that promotes hair growth and healthier hair. Related posts: DIY hair treatment with avocado hair mask DIY Organic Coconut Milk Hot Oil Treatment-How to Extract Coconut Milk Oil from the Coconut Fruit Coconut Oil for Hair – Coconut Oil Hair Coconut Milk Deep Conditioner AND Shampoo! Hair Care from Start to Finish!