Olaplex® No.4P Blonde Enhancer™ Toning Shampoo cleanses while adding hydration and repair. The sulfate-free formula offers customizable blonde maintenance, neutralizing brassiness and brightening blondes. 10.56 oz. Made in Italy. The highly concentrated pigment allows customizable toning levels. The longer its left on the hair, the brighter the toning results. Apply to wet hair. Lather fully and let process 1-3 minutes. Rinse. For more intense toning, leave on hair up to 5 minutes. Follow with No.5 Bond Maintenance™ Conditioner for everyday moisture or No.8 Bond Intense Moisture Mask for extra hydration. Bis-Aminopropyl Diglycol Dimaleate: Rebuilds broken and weakened bonds. 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). OLAPLEX is a system that rebuilds the damaged disulphide bonds in your hair that are broken during the chemical process. Bis-Aminopropyl Diglycol Dimaleate - a single molecule, works in a unique way to quickly and effectively repair broken bonds and restore healthy hair. This active ingredient is included in every one of OLAPLEX's products, imparting them with reparative and protective characteristics. This brand is part of BEAUTYSPACE, the ultimate curator of the world’s most in-demand beauty and icons of the future. BEAUTYSPACE brings the very best in beauty to Hudson's Bay. Within our carefully crafted assortment, you will find an edit of the most innovative and sought-after skincare, haircare, makeup and lifestyle products from around the world.