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, The Peptide Plastic Surgeon: A Review of Evidence on Regenerative Peptide Supplementation and Potential in Aesthetic Plastic Sur InfiniWell, GHK CU, 30 ml Copper GHK + Facial Serum Kizer Wellness LLC Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips