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), Copper Peptide (GHK Cu) Serum Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule GHK CU Cream Anti aging facial moisturizer, firming and moisturizing for all skin types, suitable for men and women. AliExpress 66