Olaplex No. 4P Blonde Enhancer Toning Shampoo - 8.5oz / 250ml

Olaplex No. 4P Blonde Enhancer Toning Shampoo is a highly concentrated purple shampoo designed to cleanse, tone, and repair your hair while keeping it hydrated from roots to ends. This sulfate-free formula creates a rich lather that effectively neutralizes brassiness and enhances brightness after just one use.

Ideal for all blonde, lightened, and grey hair, this high-performance shampoo is perfect for salon use and gentle enough for at-home care. With a pH level of 5.8 - 6.2, it is scientifically proven to deliver 3x brighter blonde results compared to other leading purple shampoos.