A year ago I started working with a copper peptide called GHK Cu. Topically every night. And under my doctor's care, I went deeper than topicals with a low dose. The difference in GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health GHK Cu Revival Clinic Fermented rice+ Minoxidil 5%+ Copper peptide(GHK CU) for Women, Men, p GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? GHK Cu Injections in Napa & Sonoma