Professor Dr Patrick Treacy has cautioned against the current hype surrounding peptides, emphasizing that aesthetic medicine must remain grounded in solid clinical evidence rather than marketing GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer GHK Cu: The Peptide That Supports Healthy Aging GHK Cu (copper peptide) is naturally occurring in the body and plays a role in supporting skin health, collagen production, and tissue repair. As Ghk cu and skin peptides (topical) Skin regeneration and wrinkle reduction Longevity Protocols