Check the listing for details. MATRIX Biolage 6 In 1 Smooth Proof Deep Smoothing Serum, 100 ml. Condition: New with box. Listed at 14.99 USD. Product descriptionThe matrix biolage smoothing serum nourishes your hair and adds instant shine to it. Its light and non-sticky texture makes the serum easy to apply, while its botanical 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 biolage 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.Quick fix solution for your hairThe very best in hair care for users of all agesIt offers a smooth feel to each strand and imparts an overall healthy lookHelps in nourishing your hair