GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health HapiPatch.com Copper Peptides for Rosacea GHK Cu Copper Peptide Neck & Face Serum Is this product safe good for rosacea? : r Rosacea 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