This powerful purple shampoo is rich in neutralizing agents to instantly remove brassiness and yellow undertones. Ideal for cool faux-blonde and grey hair, the regular use of this shampoo provides durable anti-brassiness protection. Maintain a healthy, natural-looking shine. Defend against pollution and other external aggressors. The purple shampoo works to deliver lasting protection against brassy and yellow tones. A deeply nourishing treatment that boosts luminosity. Restore gloss and shine to blonde hair.