The Nº.4P Blonde Enhancer™ Toning Shampoo, infused with patented OLAPLEX Bond Building Technology™, is a highly concentrated purple shampoo that cleanses, tones and repairs with a sulfate-free formula that neutralizes brassiness and boosts brightness after just one use.

Key Benefits:
Neutralizes unwanted brassiness and yellow tones.
Cleanses without stripping and drying.
Sulfate free and PH Balanced.
Flexible timing allows for a more customizable end result.
Scientifically proven: 3x brighter*

How to use:
Distribute evenly between palms first.
Apply to wet hair and lather fully.
Leave on for 1-3 minutes. (For more intense toning, leave on up to 5 minutes.)
Rinse well and condition. For optimal brightening and hydration, use Nº.5P Blonde Enhancer™ Toning Conditioner from roots to ends.

Ingredients: Water (Aqua/Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Glycerin, Sodium Cocoamphoacetate, Sodium Chloride, Acrylates Copolymer, Betaine, Phenoxyethanol, Fragrance (Parfum), Polyquaternium-7, Bis-Aminopropyl Diglycol Dimaleate, Guar Hydroxypropyltrimonium Chloride, Ethylhexylglycerin, Hexyl Cinnamal, Limonene, Citric Acid, Sodium Benzoate, Acid Violet 43 (Cl 60730)