Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3 Dr. Brenner Labs GHK Cu Repairing Serum 30ml SumaNurica GHK Cu Copper (3%) Tripeptide Serum with 1.5% Hyaluronic Acid Face and Scalp Serum FOUNTAIN Skin, But Smarter Three main ingredients. Real results: GHK Cu the repair peptide that boosts collagen, smooths texture, and restores skin from within. Argireline the wrinkle softening peptide that helps relax GHK Cu Copper Peptide Hair Tonic for Fuller Looking Hair 12 Week Supply (30 mL)