It kicks dandruff out of the window, Olive oil provides all the benefits to scalp which needs to combat dandruff. Just mix a little bit of lemon with it before massaging it gently, the way you would with regular oil. It puts an end to your split ends! Olive oil can add a touch of moisture and weight to your hair, especially when used during dry winter months. Not only does this act as a serum once you have shampooed and styled your hair, it also prevents split ends from occurring.