Jumbo Leave-In Molecular Repair Hair Mask 3.38Oz Takes Damage Repair Further – Reconnects Both Polypeptide Chains (And As A Result, Also Reconnects Disulfide Bonds) For Strength Along The Length + Width Of The Hair - Offering Comprehensive, Lasting Damage Repair. Restores Hair From Even Extreme Damage - By Working At The Innermost Layer Of The Hair, Core Strength And Elasticity Are Renewed For Strong, Smooth, Bouncy Hair. Delivers Immediate And Lasting Results – Hair Is Repaired From The First Use And Lasts Past Your Next Wash, For Ongoing Reparative Benefits. Simplified Repair - Convenient, Leave-In Formula Works In Just 4 Minutes, With No Extra Rinse Required. Works On All Hair Types – Because K18peptide™ Works On A Molecular Level (Where All Hair Is The Same), This Product Is Effective On All Hair Types. Active Ingredients: Sh-Oligopeptide-78 (K18peptide™), Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Tocopherol Ingredients: Water (Aqua) (Eau), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Cetyl Esters, Behentrimonium Chloride, Polysorbate 20,Sh-Oligopeptide-78 (K18peptide™), Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Isopropyl Alcohol, Tocopherol, Phenoxyethanol, Potassium Sorbate, Citric Acid, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol. This Product Is Not Tested On Animals This Product Is Non-Comedogenic This Product Is Paraben-Free Made In The Usa