One of Redken's best-selling products, Redken Extreme Shampoo is now available in a 500ml supersize to keep hair repaired and strengthened for longer. This strengthening shampoo for damaged hair cleanses, repairs strength, and adds flexibility, as well as fortifies weakened areas and restores/repairs damage while protecting the natural shine of hair. One of Redken's best-selling products, this hair strengthening shampoo cleanses, strengthens and fortifies weakened areas of the hair. Using the full system with Extreme's Shampoo, Conditioner and Anti-Snap will help your hair to have a 73% decrease in breakage* and become 3x stronger. * Instrumental test conducted NJ, USA, 2010. Automatic brushing test to evaluate the anti-breakage/ strength integrity of the hair with shampoo, conditioner & leave in vs non-conditioning shampoo. Ingredients: AQUA / WATER / EAU, SODIUM LAURETH SULFATE, COCO-BETAINE, GLYCOL DISTEARATE, SODIUM CHLORIDE, DIMETHICONE, PARFUM / FRAGRANCE, COCAMIDE MIPA, SODIUM BENZOATE, SODIUM HYDROXIDE, CITRIC ACID, HEXYLENE GLYCOL, SALICYLIC ACID, GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE, CARBOMER, CETYL ALCOHOL, SODIUM COCOYL AMINO ACIDS, BEHENTRIMONIUM METHOSULFATE, QUATERNIUM-33, POTASSIUM DIMETHICONE PEG-7 PANTHENYL PHOSPHATE, BENZYL BENZOATE, SODIUM SARCOSINATE, PROPYLENE GLYCOL, LIMONENE, BENZYL ALCOHOL, ARGININE, 2-OLEAMIDO-1,3-OCTADECANEDIOL, HYDROLYZED SOY PROTEIN, LINALOOL, FUMARIC ACID, HYDROLYZED VEGETABLE PROTEIN PG-PROPYL SILANETRIOL, PHENOXYETHANOL, TETRASODIUM EDTA, POTASSIUM SORBATE