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 GHK Cu Peptide Before and After Results GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health Regenerative properties of the NL GHK Cu peptide and skin appearance Synthagen PL