NWT OLAPLEX No.4P Hair Brightening & Toning Purple Shampoo

purple shampoo that neutralizes brassiness and repairs everyday damage to reveal bright, evenly toned and shiny blondes & greys Details Benefits Brightens hair color and enhances shine Neutralizes unwanted yellow tones & brassiness Repairs everyday damage and defends against future breakage 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. Research Results 3X brighter hair* 90% agree hair was less brassy** Repairs everyday damage in 1 wash and strengthens hair at a molecular level *Compared to top purple shampoos. **Based on an independent consumer perception study of 60 women with bleached/color-treated blonde hair when used as a system with No.5P.