External factors such as harsh chemicals or too much exposure to sun and wind can strip natural oils out of your hair making it dry. If you are battling with dull and dry hair try these hair masks made completely out of natural ingredients to bounce your hair back to life. Egg and castor oil hair mask Applying eggs on your hair has always been an easy fix to dry and damaged hair. Egg yolk is the best source of protein for your hair and is extremely moisturising. Castor oil penetrates deep into the scalp and moisturises your hair immediately.