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.

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.

1000 ml