Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips GHK Cu Copper Peptide Injections: Advanced Skin Rejuvenation PDF) Effects of GHK Cu on MMP and TIMP Expression, Collagen and Elastin Production, and Facial Wrinkle Parameters Your skin is the largest organ in your body and anti aging is the name of the game! But, GHK cu is treating so much more than just wrinkles, this is for cellular health, GHK Cu: Everything You Need To Know About This Copper Peptide SkinLab 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