Product details One of Redken's best-selling products, this hair strengthening shampoo cleanses, strengthens and fortifies weakened areas. Additionally, it restores and repairs damaged hair while protecting hair's natural shine. Formulated with Redken's Strength Complex which contains Amino Acids and Arginine to strengthen and fortify the hair, and Citric Acid to condition and add smoothness. 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. Suitable for Protein powered strength repair for damaged hair. How to use Apply to wet hair, massage into a lather. Rinse. Use as a system with Extreme Conditioner. Follow with Extreme Anti-Snap Leave-In spray for added strength. Hazards and Cautions In case of contact with eyes, rinse them immediately. Important info 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