No.4P Blonde Hair Hydrating & Brightening Purple Toning Shampoo 8.5 fl. oz NWOT - Still has the seal OLAPLEX No.4P Blonde Enhancer Toning Shampoo cleanses, tones and repairs while keeping hair hydrated from roots to ends. This highly concentrated, sulfate-free shampoo forms a rich lather to neutralize brassiness and boost brightness after one use. Benefits Neutralizes brassiness for brighter hair Hydrates and softens hair Research Results 3X brighter hair* 52% less breakage​ after one use*** *Compared to top purple shampoos. ***After 1 use when used as a system, clinically tested. Key Ingredients Violet Toning Agents Seal in brightness and balance tone to reduce brassiness and yellow tones. Gentle Blend of Coconut Oil-Derived Surfactants Provides easy lather and leaves the scalp and hair feeling hydrated.