Extreme shampoo 500ml hair strengthening shampoo for damaged hair and split ends strengthens weakened hair extreme hair strengthening shampoo uses redkens fortifying complex to restore and repair hair while protecting hairs natural shine protein enriched formulas cleanse strengthen and restore weakened hair and reduces breakage by up to 75 fortifying complex includes an 18 mea for protective shine ceramide for structural repair interlock protein network adds internal strength to the ha