Blondes are prone to losing lightness and brightness from build-up and impurities in the weeks between salon visits. The Blondage High Bright Shampoo is step 2 in the full High Bright regimen, a new blonde haircare system powered by Vitamin C and Redken's Brightening Care Complex. This system washes away build-up and impurities in hair, brightening dulled, darkened or mattified blonde hair.