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