GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Rigid flexible nanocarriers loaded with active peptides for antioxidant and anti inflammatory applications in skin ScienceDirect Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications Biostetix Not everything that stimulates collagen is automatically beneficial in excess. GHK Cu is a powerful regenerative peptide but like many Instagram