Injectable GHK Cu: Beginner's Guide to Copper Peptide Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend