GHK CU : r DIYaesthetics 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 GHK Cu Topical Cream GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Perhaps the most commonly asked about question when it comes to GHK Cu is THE BURN. Let's learn! @summitrejuvenation