Epitalon + GHK Cu (Anti Aging Blend) Elite Health HRT Elite Health HRT The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic BPC+GHK CU+TB500 BLEND Alpha Amino What are the potential adverse effects of using GHK Cu (Glycyl Histidyl Lysine Copper) topical peptides for wound healing? The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds,