The System Blonde by Affinage Anti-Yellow Shampoo is specially formulated to combat unwanted brassy or yellow tones in blonde, grey, or bleached hair. This professional solution works to neutralize these warm undertones, maintaining the integrity and coolness of your desired shade. Ideal for regular toning maintenance, this shampoo gently cleanses while actively depositing violet pigments. Incorporate it into your routine to keep your blonde looking vibrant, cool, and salon-fresh.