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Cosmetic anti-wrinkle CAS 960608-17-7 Tetrapeptide-21
Products Description Tetrapeptide-21 (GEKG-peptide) is a synthetic peptide that repeats a part of a sequence (Gly-Glu-Lys-Gly) of several extracellular matrix (ECM) proteins such as collagens I, II, III, IV, V, elastin, and pro-elastin. It boosts collagen, hyaluronic acid, and fibronectin product...