GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect More than hair its cellular support , GHK CU is a well studied copper peptide known for its role in supporting:, Healthier looking hair & scalp environment, Hair that appears thicker, Skin MD Laser & Cosmetic We don't sell peptides. We prescribe personalized optimization. Introducing physician guided peptide therapy at SkinMD a Instagram GHK Cu: The Peptide That Supports Healthy Aging GHK Cu (copper peptide) is naturally occurring in the body and plays a role in supporting skin health, collagen production, and tissue repair. As Copper Peptide Serum for Hair Regrowth & Thinning Hair Feline Skinscience