GHK CU: Is it normal to sting so much? : r Peptidesource PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction If your GHK Cu or MOTS C injection leaves welts and burns like a hornet, it's usually not the peptide it's the technique. A few small tweaks can turn a sting into almost A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend Diluting my GHK CU so it doesnt sting or burn! I take it Mon Fri (5 days) and weekends off! The first 2 days the spot I pinched hurt a lot, diluting with 20 units of BAC water This peppy is good Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn