Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 Best Anti Aging Serum for Firmer Face: 3% GHK VIP Luxury Serum Cosmetics with Copper Peptides Organic Skin Care Products to Look Younger Shop Skin Biology Skin Care Company Dr. 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK NL GHK Cu (TETRAPEPTIDE + CU) Synthagen Synthagen PL Reddit asked questions. Here are answers. GHK Cu isn't newit's just not heavily marketed for hair (yet). Dr. Loren Pickart discovered it in the 70s. Decades of clinical research. Solid mechanism. We screwed Professional The results speak for themselves. GHK Cu Peptide Serum by NanoSkin. Copper peptides, deep hydration and barrier support, all in one daily serum. Your skin deserves this. Facebook