Olaplex No.4P Blonde Enhancer Toning Shampoo For All Blonde, Lightened, and Grey Hair 250ml/8.5oz

N.4P Blonde Enhancer Toning Shampoo neutralizes unwanted brassiness and yellow tones and cleanses without stripping and drying. N.4P Blonde Enhancer Toning Shampoo is Sulfate free and PH Balanced and is scientifically proven to be 3x brighter as compared to top purple shampoos. The sulfate-free formula creates a rich lather to neutralize brassiness and boost brightness after one use for all blonde, lightened, and grey hair. Apply to wet hair, distributing evenly. Lather fully and leave in 1-3 minutes. Rinse. For more intense toning, leave on hair for up to 5 minutes. Follow with N.5 BOND MAINTENANCE CONDITIONER or N.8 BOND INTENSE MOISTURE MASK for extra moisture and best results. Highly concentrated purple shampoo cleanses, tones, and repairs while keeping hair hydrated from roots to ends.