Excuse me, but copper peptide sounds like a dangerous combination to be applying to the skin or taking internally. Copper is not safe for the body, is it? Copper sounds like it would be poisonous if it entered the body. But if they are selling serums containing it then it must be safe.We need to find out if these are or not. We delve into the top-selling copper serums on the market today and what makes them the top-selling serums. There could be some benefits from taking a copper serum that we have missed. Let’s Look into the top copper serums on the market today.