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 GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK Cu Formulation & Manufacturing Expert Guide 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 LINK IN BIO GHK Cu is a powerful copper peptide studied for its potential to support skin rejuvenation, wound healing, hair growth, and inflammation regulation, promoting overall skin, cell, and tissue vitality.