GZ GHK CU Face Cream Copper Peptide Skin Repair Anti Aging Firming Hydrating Regeneration Cream GHK Cu (Copper Peptide) Argireline Leuphasyl (0.2% 3% 3%) Cream 30mL Valhalla Vitality 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), Cellular Reset Epithalon + GHKCu in Chicago Longevity & Skin Regeneration Peptide Therapy at Better Med Spa