89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Peptide Therapy for Injury Repair: Faster Healing with Regenerative Orthopedic Support Meeting Point Health GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia