Copper Uglies lets talk about it , If youve started GHK Cu injectable peptide and noticed a temporary worsening in your skin (dullness, breakouts, or uneven texture), youre not alone. This 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 GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes Copper Peptides 2026 (GHK Cu): What They Do for Skin & Hair