GHK Cu Copper Peptide Face Cream Anti Aging & Firming 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 Professor Dr Patrick Treacy has cautioned against the current hype surrounding peptides, emphasizing that aesthetic medicine must remain grounded in solid clinical evidence rather than marketing Targets Pores. Lines. Firmness. Peptide Facial Kit GHK Cu