Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips Oral Liposomal Copper GHK Liposomal GHK Cu Supplement Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Drift's Peptide Nasal Spray Takes Anti Aging in a New Direction 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,