The A.S.P. System Blonde Anti-Yellow Shampoo is formulated specifically to neutralize unwanted brassy or yellow tones in blonde, highlighted, or gray hair. It gently cleanses while working to restore a cool, balanced tone to the hair color. This specialized formula is essential for maintaining the vibrancy of blonde shades between salon visits. Regular use helps keep blonde hair looking fresh, cool, and luminous by counteracting the common issue of yellowing.