The GHK Cu delays aging in Caenorhabditis elegans via coordinated regulation of mitochondrial function and activation of DAF 16 SKN 1 pathways Biogerontology Springer Nature Link 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 5 things that might surprise you about GHK Cu 1 Your body already makes it. GHK Cu is a naturally occurring copper peptide found in plasma, saliva, and urinebut levels decline as we age. GHK Cu for Skin Rejuvenation in Dubai Anti Aging Peptide