GHK Cu and Erectile Dysfunction: What the Evidence Actually Shows GHK Cu: Skin Benefits GHK Cu is a copper peptide studied for its role in supporting collagen production, skin repair, and anti oxidant activity. Research suggests it may help improve skin firmness, elasticity, and overall GHK Cu: The Regenerative Peptide for Skin, Hair, and Healing Pulse & Remedy Glow from within with GHK Cu Copper Peptide , This powerhouse peptide supports collagen production, skin repair, and hair follicle health, helping improve skin firmness, radiance, and support GHK Cu (Copper Peptide) Therapy in South Florida Prescription Consultation & Medical Evaluation Telehealth Florida Surgery & Weight Loss Center