Review] Biossance Squalene + Copper Peptide Rapid Plumping Serum + B&A Photos : r SkincareAddiction What Is GHK Cu Peptide? GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? Advanced Spectroscopy for Copper Peptide Research Ever heard of the "Copper Uglies"? It sounds scary, but it's actually a sign of over enthusiasm! Copper peptides are incredible for skin remodeling, but they work on a "break down and Some people notice their skin looks worse before it improves with GHK Cu. This temporary phase is often called the copper uglies., #skincare, #ghkcu, #skinhealth, #longevity, #peptides