Redken's Color Extend Brownlights Blue Shampoo is a color-depositing, sulfate-free shampoo for natural or color treated brown hair. This hair toner is a blue shampoo that is ideal for color correcting and neutralizing brassy tones on natural and highlighted brown hair, and is great for brunettes who need gray coverage. Formulated with Citric Acid & Vegetable Protein, this sulfate-free shampoo gently cleanses your hair without stripping color and helps prolong cool brunette hair color. Anti-brass color protecting shampoo for highlighted and natural brown hair Gentle, sulfate-free formula cleanses the hair without stripping hair color Features blue pigment to counteract brassy and orange undertones in brown hair Progressive color depositing system keeps brown hair cool and prevents brassiness by depositing the perfect balance of blue pigment with every wash