Amazon.com: GHK Cu Copper Peptide Oral Liquid Drops, 6 in 1 Liposomal GHK Cu Supplement w. Marine Collagen Peptides, Hyaluronic Acid, Biotin & Grape Seed, Support Skin Elasticity, Anti Aging, Hair Growth & Nails : Health The Bright and Dark Sides of Reactive Oxygen Species Generated by CopperPeptide Complexes Everyone's calling GHK Cu a miracle peptide But let's separate marketing from mechanism. GHK Cu isn't magic. It's a signal. A signal that: Supports tissue repair Modulates inflammation Enhances collagen + Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that