GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia GHK Cu: The Science Behind the Copper Peptide Transforming Skin Repair and Regeneration Meto blog 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 Peptrix Ph GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous Ghk Cu results for hair loss pics what's ur thoughts? : r tressless