2 weeks in on GHK Cu and the glow is REAL. Brighter complexion More even skin tone Less breakouts Softer fine lines Thicker, fuller hair This is just GHK Cu Peptide The benefits, side effects, and more [2026] Private Label Copper Peptide Serum Anti Wrinkle Hyaluronic Acid for Face & Neck 30ml Nourishing Skin Care Solution 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