GHK Cu Peptide: What It Does for Body Composition and Metabolic Health What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit GHK Cu may be one of the most powerful peptides for skin regeneration. This naturally occurring copper peptide helps your body: Stimulate collagen and elastin Repair damaged tissue Reduce fine