No. 4p Olaplex Purple Shampoo

Olaplex No.4p Blonde Enhancer Toning Shampoo 8.5 oz is a highly concentrated purple shampoo that neutralizes brassiness and boosts brightness after one use for all blonde, lightened, and gray hair. The sulfate-free formula creates a rich lather while cleansing, toning, and repairing your hair.