Not all copper peptide serums are created equal And this is where a lot of people get confused. You'll see copper peptides on the label and expect amazing results but the Diy Copper Peptide Etsy Advanced GHK Cu Neck & Face Serum Premium Quality Neurogan Health All About GHK Cu Peptide More Than Just Cosmetic 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