Dr Jonas Programs GHK CU : r DIYaesthetics If youre using GHK Cu and it stings a little (which is common) this ones for you , In this reel Im sharing the small tweaks that have helped me make peptide injections way more comfortable 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 Why Collagen Loss Accelerates After 40: The Role of GHK Cu in Menopaus Pure & Cimple