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 vs NAD+: Which Longevity Peptide Should You Take or Stack? Five Peptides Every Endurance Athlete Should Understand 9 months of consistency with a protocol that works systemically, not superficially. This has included GHK Cu subcutaneous and topical, collagen, protein and an intentional lifestyle ticking off the essentials of sleep, training, Cosmecell GHK CU Super Facial Sunscreen SPF 50 PA++++: The Copper Pept