This Pur Hair No Yellow Shampoo is specifically formulated to counteract unwanted brassy or yellow tones in blonde, gray, or bleached hair. Regular use helps maintain the desired cool or platinum shade, ensuring vibrant color longevity. Its specialized formula gently cleanses while depositing violet pigments that neutralize yellow reflections. Ideal for integrating into a weekly or bi-weekly haircare routine to preserve professional color results between salon visits.