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), GHK cu Copper Peptide: The "Glow" for Hair & Skin Seenergie PH HKH Copper Peptides Serum for Face 38 Caps Anti aging Facial Serum Capsules with Hyaluronic Acid Copper Peptide Skincare Regenerative Skincare Vitali Skincare