Compare No.4P Blonde Enhancer Toning Shampoo

OLAPLEX No.4P Blonde Enhancer Toning Shampoo is a highly concentrated purple shampoo that cleanses, tones, and repairs. The Sulfate-free formula creates a rich lather to neutralize brassiness and boost brightness after one use for all blonde, lightened, and grey hair while keeping the hair hydrated from roots to ends!