Experience advanced toning with the Olaplex No.4P Blonde Enhancer Toning Shampoo. This sulfate-free shampoo offers customizable blonde maintenance, neutralizing brassiness while deeply moisturizing and brightening your hair.

Infused with Olaplex's original Bond-Builder System, it transforms dry, brittle areas into soft, shiny, and resilient strands. The highly pigmented formula strengthens and enhances manageability, while illuminating blonde hues. You can adjust the toning intensity based on treatment time, making it suitable for all-over color, balayage, or natural blonde hair.