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), GHKCu Skin Repair Des Moines Peptide Therapy Iowa IV Koreana Skin GHK Cu Copper Peptide Mask Revitalizing & Firming Hydrogel Sheet Mask Is it safe to use the copper peptide serum while breastfeeding? Radiance Restore (Epithalon + GHK Cu) Pure Hydration IV Spa in Jacksonville