GHK Cu is more than a skincare trend its a copper peptide involved in repair, regeneration, and cellular signaling., This peptide has been studied for its connection to collagen production, skin NL GHK Cu (TETRAPEPTIDE + CU) Synthagen Synthagen PL Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents
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