Product Name: Glycyl-L-prolyl-L-arginyl-L-prolyl-L-alaninamide; Vialox Peptide INCI Name: PENTAPEPTIDE-3 Molecular Formula: C21H37N9O5 Molecular Weight: 495.58 Appearance: White powder Purity: 99% CAS Number: 135679-88-8 Standard: Enterprise Standard Supplier: ZhenYiBio Pentapeptide-3 is a lipophilic modified peptide that can effectively reduce the contraction of facial muscles, increase the arrangement of collagen and elastin, thereby preventing the formation of skin folds and wrinkles, and maintaining skin firmness. Pentapeptide-3 (sequence: Gly-Pro-Arg-Pro-Ala) is derived from snake venom. It is an antagonist of acetylcholine receptors, blocking the nerves of the postsynaptic membrane, causing muscle relaxation.