PERSONALIZED CARE FOR EVERY TYPE OF BLONDE INTENSE DURABLE BLONDS. GUARANTEED. Redken knows that each blonde is unique, so it offers a personalized treatment to get the best out of every blonde! New Blonde Idol with the exclusive Kera-Bright System, balances, illuminates, beautifies and keeps your blonde bright between your visits to the salon. KERA-BRIGHT SYSTEM A unique combination of kerabond, violet leaf extract and lactic acid that helps strengthen, condition and enhance the shine so that blonde hair looks radiant and beautiful.