GHK Cu (copper peptide) used topically is one of the most well studied skin repair peptides. Here's how it helps the skin, in practical terms: 1. Boosts collagen & elastin GHK Cu signals your skin What Is GHK Cu Peptide? 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 Replying to @Christy Greenham Avoiding Copper Uglies ON GHK Cu! I go copper uglies TikTok 7% GHK CU ACCELERANT Platinum Skin Care 7% GHK CU ACCELERANT Platinum Skin Care