GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging Dr Paul skipped spending thousands of $$$ for injectable peptides. He is spending less than $90 mo with our patch, activating his own GHK Copper Peptides! The changes in his skin and complexion GHK Cu Peptide Benefits (And a Few Risks) Explained YouTube