GHK Cu Copper Peptide Collagen Boost & Skin Regeneration Calibrate Hydration Have you heard of GHK Cu? Its one of the things were most excited about in the clinic right now., Its a copper peptide that basically tells your skin and hair to get back to work. It helps with 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 GHK Cu Peptide: What It Does for Body Composition and Metabolic Health