Introducing OLAPLEX\'s 4P Bond Maintenance Purple Shampoo, an update on the No 4 Bond Maintenance Shampoo with hardworking purple toner that will leave blondes three times brighter than regular purple shampoos. Infused with patented OLAPLEX\'s Bond Building Technology, this customisable toning shampoo strengthens, softens, and neutralises unwanted yellow tones for brighter, more manageable hair. By combining a high concentration of pigment, with the brand\'s patented technology and conditioning benefits, this just became your new go-to purple shampoo. Use after the brand s No 3 Hair Perfector weekly treatment and follow with the No 5 Bond Maintenance Conditioner. Benefits: Vegan Cruelty Free Paraben Free, Sulfate Free Phosphate Free Colour Safe All hair types Directions: Apply to wet hair. Lather fully and let process 1-3 minutes then rinse. For more intense toning, leave on up to 5 minutes. Tip: if the hair has product buildup, cleanse first with OLAPLEX No. 4 Bond Maintenance Shampoo. 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).