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 PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r SkincareAddiction A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHK Cu Peptide: Benefits for Tissue Repair, Healing, and Recovery Revolution Health & Wellness 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 the beginning. Consistency is