INCI Name:Â Diaminopropionoyl Tripeptide-33 Reference: Preventhilia Purity: 95% Source: synthetic Solubility: soluble in water Stability: stable MSDS and COA: available for your reference, please contact us. Delivery: promptly from stock Capacity: 200g per month Appearance: white powder 2.Functions: Diaminopropionoyl Tripeptide-33 skin protect-prevents the damage caused directly or indirectly by UV radiation to DNA and proteins, thus preventing photo-aging 4.Description: Diaminopropionoyl Tripeptide-33 is a Tetrapeptide born from preventive cosmetics that protects skin cells from UVA-induced DNA damages and is able to promote the DNA repair system capacity, providing a complete skin protection of intrinsic and extrinsic aging.