Diaminopropionoyl Tripeptide-33 is a cutting-edge peptide gaining attention in skincare for its potent anti-aging and UV-protective properties. This bioactive tetrapeptide, often marketed as Preventhelia, is synthesized through the reaction of 2,3-diaminopropionic acid and Tripeptide-33. It stands out in cosmetic formulations for its ability to shield skin cells from UVA-induced DNA damage and promote skin repair mechanisms.