Peptide Therapy in Atlanta Xperience Health GHK Cu Copper Peptide 1 g (Powder, >99% purity) Lrak Technologies Understanding Topical GHK Cu Peptide Benefits for Skin Rejuvenation in Maryland Preston's Pharmacy GHK Cu True North Labs Now introducing one of my favorite peptides.. GHK Cu This is a naturally occurring copper peptide your body already uses to repair and regenerate skin. As we age, those levels decline and that's GHK Cu is a naturally occurring copper peptide that declines with age. At 20: abundant. By 60: you have 60% less. What it does: Stimulates collagen and elastin synthesis Promotes wound