GHK Cu might be trending, but its not new., Before you inject yourself with this viral peptide, consider this., This copper peptide has been studied for years in skin repair and collagen signalling, GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B How Often to Inject GHK Cu PeptidesExplorer 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