Olaplex No.4P Blonde Enhancer Toning Shampoo is  highly concentrated, sulfate-free shampoo is formulated with OLAPLEX’s patented Bond Building Technology, helping to repair and strengthen hair from within while delivering superior toning benefits.
 
Infused with potent violet pigments, it effectively neutralizes unwanted yellow and brassy tones, leaving your hair brighter, cooler, and more vibrant; imported heaven.