Olaplex No.4P Blonde Enhancer Purple Shampoo 250ml

The an ultra-concentrated, sulfate-free purple shampoo infused with patented OLAPLEX Bond Building Technology. This formula cleanses, strengthens, and repairs hair while depositing violet pigment to instantly neutralize brassiness and boost brightness. It is suitable for all blonde, lightened, and grey hair and is designed for customizable toning: lather fully and leave on wet hair for 1-3 minutes for toning, or up to 5 minutes for a more intense effect. It is clinically proven to leave hair up to 3x brighter and helps maintain hydration.