Getting itchy, red, burning skin after injecting GHK Cu or NAD+?, Its usually NOT an allergic reaction , Here are the 2 most common reasons:, 1. Your injection depth is offIf the peps sits between PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK CU peptides injectableis this an allergic reaction to the peptides?? Helppppp#peptide #ghkcu #matureskin