GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth. GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even These are the incredible and visible results of GHK Cu phototherapy patches. No injections (that burn so bad) or nose sprays (that stings) or pills needed (affected by your digestion). Just a patch ! GHK Cu Peptide: What It Does for Body Composition and Metabolic Health