The first cosmetic peptide "Copper peptide, GHK Cu" GHK cu INJECTOR PEN 3ML 50MG 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 The Skin & Hair Stack GHK Cu Copper Peptide Bundle Neurogan OEM ODM 50g Moisturizing Repairing GHK CU Whipped Tallow Honey Balm CHENZHIMEI COSMETICS GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous