Ellis Have you heard of GHK Cu? It's a copper peptide your body actually makes on its ownand it plays a big role in how your skin repairs and heals. As we The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu Peptide Serum: Copper Peptides for Skin Firmness Mythos Mythos Skincare Copper Peptides Which One Do I need? GHK or SRCP Scars Antiaging Tightening Helloskin GHK Cu 1% Triple Peptide Regenerative Serum GHK Cu Blue Skies Health & Wellness Clinic