Most people treat GHK Cu like it's only for hair and skin. The real leverage is in the copper signaling + repair pathways that everyone overlooks. You don't need every peptide under the Defy GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin GHK Cu Topical Spray Wells Pharmacy Network GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution Compounded GHK Cu Cream: The Copper Peptide Breakthrough for Skin Repair & Anti Aging Restorative Compounding Pharmacy + Wellness