Newish hair serum Shiny hair serum nourishes your hair and adds instant shine to it. Its light and non-sticky texture make the serum easy to apply, while its natural ingredients ensure that your hair remains healthy. Take a small amount of this serum in your palm and run your fingers over your hair to get smooth and shining hair. Using this biology deep smoothing serum before a blow dry will protect your hair from damages caused due to heat styling. Dab the serum on your hair before heading out of your home to make a fabulous style statement wherever you go.