Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Restoracell with Copper Peptides, a Great Partner for Microneedling Vitali Skincare GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging