GHK CU Crepey Skin Escape Heard of the copper peptide everyone's talking about? Here's the quick breakdown: GHK Cu is a naturally occurring peptide in your body that binds with copper. As we age, levels drop and that's 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 Copper Peptides: This Anti Aging Active Ingredient Increases Skin Collagen by 70% Vogue Arabia Dr. Loren Pickart Obituary Seattle Times