Redken Acidic Bonding Concentrate Bundle provides a comprehensive solution to strengthen and repair all types of damaged hair. This bundle features a sulfate-free shampoo, conditioner, and leave-in treatment, all infused with Citric Acid to fortify weak bonds and enhance hair strength. With an acidic pH, it protects against damage from color treatments, styling tools, and environmental factors. The leave-in treatment offers heat protection up to 450 degrees, tames frizz, adds shine, and reduces breakage, making it the ideal addition to your hair care routine.