Regenerating mask for cool blonde that neutralizes yellow tones instantly and repairs hair deeply from the inside out.Up to 84% more strengthening against hair breakage*.Up to 83% smoother hair after just one application*.For cool-toned, repaired hair that feels healthy.*Compared to lightly conditioning shampoo.Directions: Apply evenly to towel-dried hair. Leave on for 5 minutes and rinse thoroughly. To be used weekly.The LuxeBlond line helps repair the hair fiber from the inside out and instantly neutralizes unwanted warm undertones. Together, LuxeBlond formulas combat the biggest problems with lightened hair - for smoother, cooler blonde hair, strengthened against hair breakage.Beauty born from science.Since the brand's launch in 1974, System Professional has always been about using science to answer an essential hair care question: What is the best solution for transformative hair care?The answer: long-term, in-depth solutions that use expert knowledge to enable stylists and their c