Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 Copper Peptide Moisturizer GHK Cu Anti Aging Face Cream GHK Cu Copper Tripeptide 1 Research Reagent GHK CU ( 100mg ) LabSourced Peptides GHK Cu 50mg 10mL Vial: Automatic Refills Celia Health