This is my third cycle on GHK Cu., My hair is growing. My nails are strong. My skin has improved. , And now Im focusing on those acne scars from my younger days., And honestly? Theyre starting to go 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 GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Peptide Before and After Results Longevity: Functional Medicine for Optimal Health and Wellness Reducing the Diseases of Human Aging with GHK Cu Scar Removal with Copper Peptides, Hydroxy Acids, and Microneedling What Serum to Use After Dermaroller, Dermapen, Derminator