HAIR TYPE: Colour-Treated Hair, Normal Hair / Activate glass-like shine whilst keeping your hair protected and conditioned with the Acidic Color Gloss Heat Protection Leave-In Treatment. Formulated with Redken’s revolutionary Acidic Shine Complex and Invisible Shield technology, this leave-in deposits a professional-grade gloss that not only looks but feels healthy, while keeping your hair hydrated for up to 72 hours*. The acidic pH-balanced formula works by restoring the hair back to its healthiest pH (pH 4.5-5.5] and by sealing in the cuticle, so your colour remains vibrant with up to 13x smoother hair**. With the Invisible Shield Technology, you can now achieve glass-like shine without compromising the integrity of your hair. By sealing each strand with an invisible protective layer, this technology defends the cuticle from heat-damage up to 230°C and protects from other dulling agents, while combatting frizz for a smooth and silky finish after every use. *Acidic Gloss leave-in vs.non-conditioning shampoo ** Instrumental test leave-in vs. non-conditioning shampoo Benefits: -Invisible Shield Technology: Locks in color and shields out damage with heat protection up to 230°C -+72% glass-like shine* -13x Smoother hair, instant improvement in detangling** -Hair feels hydrated for up to 72 hours** -Helps seal in color & prevents heat damage *when using full-system **Acidic Color Gloss Leave-In vs. non-conditioning shampoo