GHK Cu (Copper Peptide) is a naturally occurring copper complex that decreases significantly as we age. This powerful peptide is known for its ability to upregulate the production of collagen and elastin, making GHK Cu in the NAD+ Push Patch: A Smarter Way to Stimulate Collagen, He Hi, Finch Expression of Glycosaminoglycans and Small Proteoglycans in Wounds: Modulation by the TripeptideCopper Complex Glycyl L Histidyl L Lysine Cu2+ ScienceDirect Glow from within Introducing the Glow Stack a personalised peptide protocol designed to support collagen production, skin renewal, and a radiant complexion. Because healthy skin is more than skincare it's GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration