OLAPLEX No. 4P Blonde Enhancer Toning Shampoo cleanses, tones and repairs while keeping hair hydrated from roots to ends. This highly-concentrated, sulfate-free shampoo forms a rich lather to neutralize brassiness and boost brightness after one use.
Strengthens, hydrates and neutralizes brassiness
Suited for all blonde, lightened and grey hair
Contains OLAPLEX patented bond building technology that rebuilds broken and weakened bonds
For All Hair Types
Scientifically Proven: 3x Brighter compared to top purple shampoos