Redken Acidic Bonding Concentrate Shampoo 10.1?oz is a professional-strength, sulfate-free formula that restores resilience to damaged, weakened, and brittle hair. Powered by a high-performance bonding complex and citric acid (AHA), this shampoo strengthens hair strands, reduces breakage, and smooths texture in a single use. It visibly repairs up to a year?s worth of damage and leaves hair up to 14 smoother and 2 stronger, while deeply conditioning and reducing split ends by 82%. pH-balanced and color-safe, it delivers salon-worthy results for all hair types and textures without stripping color or natural moisture. Ideal for chemically processed or heat-stressed hair, this repair shampoo improves manageability, shine, and vitality from root to tip. Product Features: Repairs one year of damage in a single wash 56% less breakage and 2 stronger hair after one use 14 smoother strands with 90% more conditioning 82% fewer split ends thanks to bonding complex + AHA Sulfate-free, pH-balanced, and color-safe for all hair types How to Use: Wet hair thoroughly, apply shampoo, and massage into a rich lather. Rinse completely. Follow with Acidic Bonding Concentrate Conditioner for maximum repair and hydration. Avoid contact with eyes; rinse immediately if contact occurs.