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. GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu COPPER PEPTIDES 6 Amazing Skin Benefits SR Skincare Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration