What is the optimal dosing regimen of GHKCu for topical skincare and woundhealing applications? Ghk Cu Peptide Injection IV Vitamin Therapy GHK Cu Peptide in Austin Saving Face GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care 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,