GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 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 Copper Peptides: Do You Really Need to Inject Them? Nubeean Noosa This peptide reverses aging And it's been hiding in plain sight for decades. GHK Cu (Copper Peptide) is one of the most researched anti aging ingredients out there. Here's what it does: Boosts