Cellular Glow Copper Peptide GHK Cu Serum for Face The GHK Cu copper peptide is one of the most underrated skin repair ingredients out there., Naturally found in the body, it plays a key role in collagen and elastin production, skin healing, and GHK Cu (Copper Tripeptide 1) activates your skin's natural healing pathways, boosting collagen, elastin, and glycosaminoglycans. Reduce wrinkles, fade discoloration, and enhance firmnessall with one bioactive peptide backed by clinical science Skin Perfection Skin Perfection GHK CU Copper Peptides Serum for Face & Hair Copper Peptide for Skin, Hair & Scalp 1% Blue Liquid for Face, Neck, Body, and Scalp Multi Use GHK Cu Face Serum 1200MG Lab Tested & High Potency Neurogan Health