Olaplex Nº.4P Blonde Enhancer Toning Shampoo

Highly concentrated purple shampoo cleans, conditions and repairs hair while keeping it hydrated from root to ends. The sulfate-free formula creates a rich lather that neutralizes brassiness and boosts brightness after just one use, and works on all blondes, light and gray hair.

Scientifically proven:

3x brighter *

* Compared to Top Purple Shampoo

Apply to wet hair, lather well, leave on for 1-3 minutes , rinse thoroughly as usual.

* For a more intense tone, leave on hair for up to 5 minutes.

Use 2-3 times a week or as often as needed to eliminate unwanted brassiness.