Matrix Brass Off Shampoo 300mlBrass Off shampoo 300ml is a professional salon clarifying shampoo that neutralizes brassy tones while refreshing your hair with cool tones. Best for brunettes who lighten their hair, this shampoo deposits balancing blue violet pigments to reduce brassy tones. Benefits: Deposits balancing blue violet pigments to reduce brassy tones Can be left on hair for 2 3 minutes for added toning Suitable for color treated and natural hair