GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Nanoengineered Self Assembling Peptides with Increased Proteolytic Stability Promote Wound Healing ACS Applied Materials & Interfaces Topical GHK Cu: Skin Benefits, Best Forms, and Where to Buy GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms