GHK who? Meet GHK Cu, the copper peptide known for supporting collagen production, skin repair, and a healthier looking glow. A small peptide with big skincare benefits. Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026) GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn Copper peptides GHK Cu skin repairing molecules boost collagen and elastin. Anti aging and antioxidant care for skin Stock Photo Alamy