GHK Cu (Copper Peptide) isn't just another trend. It's a naturally occurring peptide in our bodies that plays a vital role in healing, collagen production, skin regeneration, and even hair support. Here's all GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram