Color Balance Purple neutralize brassy/yellow tones in blonde/gray hair. Platinum blondes and silver foxes, rejoice, your hair color regimen just went from high-maintenance to #instacool! Staying true to hue is now easier than ever JOICO's glacial, yellow-mellowing duo is specially formulated to keep brassiness from deminishing blonde and gray hair's cool factor. With a perfect dose of tone-correcting purple pigments and color-protecting Multi-Specturm Defense Complex, Color Balance Purple instantly neutralizes unwanted brassy and yellow tones.