SYNTHAGEN LABORATORIES NL GHK CU TETRAPEPTIDE + CU For Skin Regeneration For Wrinkles and Scars Treatment Peptides for Skin For Hair Pattern and Thickness : Amazon.ie: Beauty GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration The Ultimate Guide to Copper Peptides for Skin Before and After Bene HapiPatch I think everything I did for my scars worked synergistically and helped, but if I had to choose one product, it would be GHK Cu (aka copper peptides)., Now one year later I see the resultsand theyve : & ! Before: A year old scar from breast revision surgery. You can see the redness and fibrous scar tissue.