Most skincare works on the surface. GHK Cu works deeper as a biological signal that helps guide the body's natural repair processes. Research has shown its potential to support collagen production, tissue remodeling, GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK Cu Peptide: What It Does for Body Composition and Metabolic Health 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