Olaplex No.4P Blonde Enhancer Toning Shampoo - 250ml - OLPXNo.4P

Highly concentrated purple shampoo cleanses, tones, and repairs while keeping hair hydrated from roots to ends. Sulfate-free formula creates a rich lather to neutralize brassiness and boost brightness after one use for all blonde, lightened, and grey hair.

Scientifically Proven:
3x Brighter*

*Compared to top purple shampoos.