Meet GHK Cu, the copper peptide that regenerates and protects. It helps stimulate collagen, improves skin quality, supports hair growth, and fights inflammation for healthier, stronger skin., GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density. GHK Cu: The Regenerative Peptide for Skin, Hair, and Healing Pulse & Remedy Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Jumbo Size