The ultimate blonde hair shampoo & conditioner duo, the No.4P Blonde Enhancer Toning Shampoo and No. 5P Blonde Enhancer Toning Conditioner work to neutralise brassy tones while strengthening and nourishing your hair. Olaplex No.4P Blonde Enhancer Toning Shampoo is gentle enough for everyday use to help brighten and repair your hair. This sulfate-free, highly concentrated formula allows for customizable toning, the longer you treat, the brighter the results. Achieve up to 3 times brighter hair compared to other purple shampoos. Not just another purple conditioner, the nourishing root to tip formula of Olaplex No.5P Blonde Enhancer Toning Conditioner locks in high definition brightness and neutralises yellow, brassy tones while hydrating the hair without weighing it down. OLAPLEX Bond Building Technology strengthens blonde, highlighted and grey hair. Ingredients: Shampoo: Water (Aqua, Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Glycerin, Sodium Cocoamphoacetate, Sodium Chloride, Acrylates Copolymer, Betaine, Phenoxyethanol, Fragrance (Parfum), Polyquaternium-7, Guar Hydroxypropltrimonium Chloride, Ethylexylglycerin, Bis-Aminopropyl Diglycol Dimaleate, Hexyl Cinnamal, Limonene, Citric Acid, Sodium Benzoate, Acid Violet 43 (Cl 60730) Conditioner: Water (Aqua, Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Glycerin, Sodium Cocoamphoacetate, Sodium Chloride, Acrylates Copolymer, Betaine, Phenoxyethanol, Fragrance (Parfum), Polyquaternium-7, Guar Hydroxypropltrimonium Chloride, Ethylexylglycerin, Bis-Aminopropyl Diglycol Dimaleate, Hexyl Cinnamal, Limonene, Citric Acid, Sodium Benzoate, Acid Violet 43 (Cl 60730)