No. 4 Shampoo, No. 5 Conditioner & No. 0 Hair Treatment Trio Active ingredients: 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).Bis-Aminopropyl Diglycol Dimaleate: Rebuilds Broken And Weakened Bonds Water (Aqua), Bis-Aminopropyl Diglycol Dimaleate, Sodium Benzoate, Phenoxyethanol Contents of set: No 4 Shampoo 8.5oz No 5 Conditioner 8.5oz No 0 Hair Treatment 5.2oz