The purpose of using a shampoo is to remove dirt, sebum (oils), and products which build-up from your hair, while maintaining nourishing your hair and scalp.
Today, markets offer great varieties of shampoo...
For home-made chocolate lip balm, take 2 portions of petroleum jelly (vaseline) and 1 portion of chocolate bits or chocolate chips. Heat them in the microwave, until both are melted and have fused together. Place them in a container and place it in the fridge to let it re-solidify. As simple as that!