50% more GHK CU in the 3% formula but do you actually need it? , If you are trying to fade a scar, support post surgery healing or prep your skin before laser, this is what you need to know., On a Dm me 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 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