GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health Has anyone tried copper peptides for rosacea? GHK CU Crepey Skin Escape Platinum Skin Care Rosacea isn't just about rednessit's often a sign of a compromised skin barrier and ongoing inflammation. When the barrier is weakened, skin becomes more reactive: Increased sensitivity Higher transepidermal water GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect