What are the dosing regimens and potential side effects of GHK Cu (Glycyl Histidyl Lysine Copper) peptides in various conditions, including wound healing and neurodegenerative diseases? GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn GHK Cu Peptide Benefits (And a Few Risks) Explained