PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r SkincareAddiction Reduce GHK CU Burn: Tips & Tricks for Injecting Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Marla BSN, RN Do you get injection site reactions from your GHK CU? 3 tips to make it better Room temp Use a different injection site Inject Instagram Redness after a peptide injection can feel alarming but in most cases, its completely normal. , If youve noticed a pink or red halo at the injection site especially with peptides like GHK Cu