Olaplex No 4-P Blonde Enhancer Toning Shampoo

A purple toning shampoo that strengthens, hydrates, and neutralizes brassiness while keeping hair hydrated from roots to ends. This ultra-concentrated purple shampoo reduces breakage and hydrates as it cleanses and tones from roots to ends. Use N°.4P to neutralize brassy hair and yellow tones for brighter, softer, stronger blond hair, gray hair, or highlighted hair. Effective on natural and color-treated hair.