Three-piece Redken set for weakened or damaged hair: Extreme Shampoo 500ml, Extreme Conditioner 500ml and One United All‑In‑One Multi‑Benefit Treatment 150ml. The Extreme Shampoo cleanses while strengthening and fortifying weakened areas to help restore and protect natural shine. The Extreme Conditioner delivers targeted repair from root to tip, leaving hair supple and glossy. When used as a system (Shampoo, Conditioner and Anti‑Snap) Extreme can reduce breakage by 73% and make hair up to 3x stronger. One United is a lightweight, multi-benefit treatment that improves manageability, adds shine, helps control frizz and enhances protection and conditioning of styling products.To use: Shampoo — apply as needed, massage to lather and rinse. Conditioner — apply after shampooing, distribute through hair and rinse. One United — use on clean or towel-dried hair to refresh between washes, layer with other treatments or apply before/after styling for added manageability and protection.