Whats the difference between our copper peptide formulations? , Copper Amino Isolate Lipid 1% (CAIL 1%) is our intensely pro repair, patented copper peptide gel to regenerate skin volume and The difference between our Copper Peptides and GHK Cu GHK Cu is one specific copper peptide molecule great for signaling repair and collagen support. Our Copper Peptide formula goes beyond just Everyone's calling GHK Cu a miracle peptide But let's separate marketing from mechanism. GHK Cu isn't magic. It's a signal. A signal that: Supports tissue repair Modulates inflammation Enhances collagen + Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips GHK Cu Copper Peptide Face Tonic (30 mL) Reduces Appearance of Fine Lines Supports Skin Firmness