Transform your hair with Redken Acidic Bonding Concentrate Shampoo Refill Pouch. This award-winning formula repairs 1 year of visible damage in just one use, making it perfect for all hair types and textures. Infused with Citric Acid, it strengthens and protects weak hair bonds while providing intense hydration and color fade protection. The pH-balanced formula defends against damage from coloring, lightening, and heat styling, leaving your hair looking and feeling healthy. Easy to use, simply apply to wet hair, lather, and rinse. Refill your bottle effortlessly with this convenient pouch!