Wellness peptide craze: why people are injecting drugs 'not for human consumption' And we're back with our GHK Cu peptide injection pen. Here's how to use it, and where. More coming soon ;) #ghkcu #ghkcucopperpeptide #peptides GHK Cu (Copper Peptide) Therapy in South Florida Prescription Consultation & Medical Evaluation Telehealth Florida Surgery & Weight Loss Center 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,