Redken Blondage High Bright Shampoo 1L helps make dull, darkened, and mattified blonde hair much shinier, radiant, and clean without the use of neutralizing color pigments. About Redken Blondage High Bright Shampoo 1L gives blonde hair the opportunity to maintain its perfect color without unwanted undertones or dullness. Namely, this shampoo deeply washes the entire length of the hair and the scalp keeping the blonde radiant and neutralized. In turn, powered by Vitamin C and Redken's Brightening Care Complex, this product does not need to contain pigments for this neutralization to take place. In this case, these two components end up washing away buildup and impurities in the hair, brightening dulled, darkened, or mattified blonde hair caused by dulling agents and pollution. On the other hand, this shampoo can also seal the hair fiber cuticles and fill in hair porosity to lock out dullness. In the end, all blonde hair looks brighter, silky, and soft. Last but not least, this shampoo has the presence of Salicylic Acid. Basically, it has a repairing action that ends up strengthening and repairing blonde hair from the core. Moreover, Citric Acid acts as a gentle exfoliant that lifts off the dead skin cells of your hair and scalp making them more smooth and fresh. Finally, Glycerin ends up retaining moisture in the hair fiber keeping the hair's hydration levels fully balanced. All in all, this shampoo works to protect blonde hair by keeping all color and shine abrasive agents out of your way. This ultimately allows your hair to reveal a brighter, neutralized, and lively blonde color.