Copper Peptides Serum for Face 2% Copper Peptide with 4% Epidermal Growth Factor (EGF Serum) Niacinamide Ceramides Squalane & Hyaluronic Acid Multi GHK Cu 50mg Spartan BioLabs GHK Cu G Lab Peptides GHK Cu Copper Peptide Research Vial 99% HPLC LiveWell GHK Cu Injectable Team Wellcore The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds,