INCI Name:Â Tripeptide-9 citrulline Reference: dGlyage Cas No: 951775-32-9 Solubility:Â soluble in water Stability:Â stable Source: synthetic Purity: 95% MSDS and COA: available for your reference, please contact us. Grade: cosmetic Capacity: 100g per month Appearance: white powder 2.Functions: Tripeptide-9 citrulline Reduces DNA damage resulting from fenton reaction products and reduces metal-mediated A.G.E. formation 3.Introduction: Tripeptide-9 citrulline prevents DNA structure changes triggered by transition metals.It chelates such ion metals that catalyse different reaction producing several DNA lesions.Miscrofluidised liposomes with diminished particle size contain the tetrapeptide,thus delivery to the skin is enchanced.