Cellular Reset Epithalon + GHKCu in Chicago Longevity & Skin Regeneration Peptide Therapy at Better Med Spa Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Copper peptide questions we get asked all the time How often should you use it? Do you need to avoid the sun? If you're new, start once daily (evenings are great), Can You Use GHK Cu Peptides with Vitamin C Serum? Expert Guide