COPPER PEPTIDES FOR HAIR GROWTH Ultrastrong 10% GHK Cu Formula with Sonora Supply Co. Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Biossance Neurogan GHK Cu Copper Peptide Face Cream 4% Peptides for Skin Firmness & Deep Hydration Daily Facial Moisturizer with 2400 MG GHK Cu 2oz Buy Now with Express International Delivery GoSupps.com GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not