GHK Cu Copper Peptide Benefits, Uses & Safety Intra V If you're using GHK Cu and it stings a little (which is common) this one's for you In this reel I'm sharing the small tweaks that have helped me make peptide injections GHK Cu might be trending, but its not new., Before you inject yourself with this viral peptide, consider this., This copper peptide has been studied for years in skin repair and collagen signalling, Risks of reusing syringes and needles Peptide Injections: What They Are, What They Promise, and the Big Unknowns