Copper Peptide Supplement GHK Cu Peptide Supplement Copper Peptide Capsules For Hair, Skin & Nails Cellular Health Capsules For Cellular Repair 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 Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Ghk cu Peptide Face Serum NEW Cobalt Blue Bottle 2 Oz Etsy Copper Peptide GHK CU Serum with Hyaluronic Acid and Raw Aloe Anti Wrinkle 1 fl oz