Hurry and grab a FREE Redken Acidic Color Gloss Activated Glass Gloss Treatment Sample! Ignite your inner shine with the 1st at-home salon-grade glossing treatment. This pH balancing formula provides a glass-like shine for 3 days with +76% shinier hair. Dull hair days are done with this treatment. To get this freebie you need to click on the “Get FREE” button and fill out the form. US only. Offer available while supplies last!