GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? 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 + Helloskin GHK Cu 1% Triple Peptide Regenerative Serum Glow Blend 70mg BPC 157, TB 500, GHK Cu Bluewell Peptides GHK Cu Copper Peptide Face Tonic (30 mL) Reduces Appearance of Fine Lines Supports Skin Firmness