Want shinier hair? Who doesn’t? Here are 3 ways to add more sheen to your locks. 1. Make sure your hair is REALLY wet before adding your shampoo. It’ll make it easier to wash the shampoo out, and un-rinsed leftover shampoo can leave your hair dull and lackluster. 2. End your shower with a cold rinse on your hair. This will close the scales of your hair cuticles making your hair smoother. It can also help tone down frizz. 3. Use the cool shot button on your hair dryer once your hair is 80% or so dry. It will help to seal the hair cuticle and add shine in the process.