Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu YouTube GHK Cu Facial Serum Empower Pharmacy Ever heard of GHK Cu peptide? It's a naturally occurring copper peptide that helps repair tissue, stimulate collagen, and support skin healing. When used in injectable form, it works at a deeper level GHK Cu Research Compound NeoPeptide Lab GHK Cu is more than a skincare trend its a copper peptide involved in repair, regeneration, and cellular signaling., This peptide has been studied for its connection to collagen production, skin