Olaplex No.4P Bond Enhancer Toning Shampoo

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

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)

Our humble beginnings started in a California garage, and since 2014 have grown exponentially to include millions of fans worldwide. Our patented technology is continuously changing what is possible for hair!Known as the “invention,” the Bis-Aminopropyl Diglycol Dimaleate ingredient allowed professionals to reach new heights in color & care. Hair wasn't just healthier; it took on a completely different quality — blondes were brighter, brunettes more radiant, and redheads more vibrant.