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 PDF] Copper Peptides in Acne Scars Semantic Scholar GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Revitalize Your Skin: The Benefits of Copper Peptide for Youthful Glow Amazon.com : Koreana Skin GHK Cu Copper Peptide Hydrogel Face Mask Anti Aging Collagen Booster for Skin Repair, Firming, Fades Acne Scars & Redness. K Beauty Sheet Mask Treatment : Beauty & Personal Care