Restrengthen colored hair and lock in instant shine with Redken's Acidic Color Gloss Gift Set, featuring the Acidic Color Gloss Heat Protection Leave-in Spray. Formulated with Citric Acid, the shampoo works to rebalance hair back to it's healthiest state, sealing the cuticle to lock in salon color. The sulphate-free formula provides a gentle-lather, smoothing stands and preventing the fading of your hair color during the cleaning process. Using Redken's Game-Changing Acidic Shine Complex, the conditioner works to give your hair color vibrancy and a glossy finish while locking in moisure, providing mirror-like shine. Finally, keep hair protected with the Acidic Color Gloss Heat Protection Leave-in Treatment. Formulated with Redken's exclusive Acidic Shine Complex and Invisible Shield Technology, this product works to restore hair back to its healthiest pH, sealing and protecting the cuticle from heat-damage up to 230 °C so color remains vibrant and hair feels healthy after a single application.