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 Jumbo Size ZQ II GHK CU Serum infusion by nano tips to remove crow's feet, dark circle, can see remarkable immediate effect within 30min. And ensure at least 3 months effect. Eva Chan Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare