Matrix Brass Off Blue Shampoo – 10.1oz is the perfect toning solution for brunettes who lighten their hair. This pigmented blue shampoo neutralizes brassy, orange tones while gently cleansing and nourishing the hair. Ideal for color-treated brown or dark blonde hair, it enhances cool tones, boosts shine, and helps maintain a refreshed, salon-fresh look between color services. Use regularly to keep brassiness at bay and your brunette bold.