The Nº.4P Blonde Enhancer Toning Shampoo, infused with patented OLAPLEX Bond Building Technology, is a highly concentrated purple shampoo that cleanses, tones and repairs with a sulfate-free formula that neutralizes brassiness and boosts brightness after just one use.

How to use :

Dispense desired amount of product into hands and emulsify.

Apply to wet hair, distributing evenly. Lather fully and leave on 1-3 minutes. Rinse. For more intense toning, leave on hair or up to 5 minutes.

For best results, follow with Nº.5 BOND MAINTENANCE CONDITIONER or Nº.8 BOND INTENSE MOISTURE MASK for extra moisture.

Benefits :

 Neutralizes unwanted brassiness and yellow tones.

Cleanses without stripping and drying.

Sulfate free and PH Balanced.

Flexible timing allows for a more customizable end result.

Scientifically proven: 3x brighter*