Enhance your hair's radiance with Sunset Blvd. This blonde concentrate treatment neutralizes unwanted yellow tones in blonde, gray, and white hair, reducing brassiness and boosting brightness. It helps extend the life of your color without staining the hair. Expect visible, immediate results in just 5 minutes or less.

How to Use: After shampooing with your preferred R+Co shampoo, towel dry your hair. Apply the concentrate from roots to ends, leaving it on for 5 minutes. Rinse thoroughly. For optimal results, follow up with a conditioner.