GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction Copper Peptide Regenerating Serum for Glowing Skin and Hair GHK Cu: The Peptide That Supports Healthy Aging GHK Cu (copper peptide) is naturally occurring in the body and plays a role in supporting skin health, collagen production, and tissue repair. As GHK Cu Peptide Benefits (And a Few Risks) Explained