Redken’s Acidic Color Gloss Activated Glass Gloss Treatment is an at-home professional strength glossing treatment that deeply conditions and adds intense, molecular-level shine for color-treated hair. A pH-balanced formula with Citric Acid and Apricot Oil, this pre-activated ultra-acidic formula helps seal the cuticle and locks in glass-like shine for up to 3 days and +76% shinier hair**. This rinse out glossing treatment leaves hair looking and feeling revitalized. Use as a complete routine with Acidic Color Gloss Shampoo, Conditioner and Heat Protection Leave-In Treatment.