This Aveda Blonde Revival Purple Toning Shampoo is specifically formulated to counteract brassy and unwanted yellow tones in blonde, lightened, or gray hair. It gently cleanses while infusing cool pigments to maintain the desired cool or neutral shade. Regular use helps preserve the vibrancy and coolness of your blonde, ensuring your color stays fresh between salon visits. Suitable for daily or as-needed use, depending on maintenance requirements.