Olaplex No.4p Blonde Enhancer Toning Shampoo 33.8 oz is a highly concentrated purple shampoo that neutralizes brassiness and boosts brightness after one use on all blonde, lightened, and gray hair. The sulfate-free formula creates a rich lather while cleansing, toning, and repairing your hair.

Restores blonde hairs to a golden color in just one use Enhances blondes, lightens, and gray hair Great for all types of hair Sulfate-free formula that cleanses, tones, and repairs your hair