Has anyone tried copper peptides for rosacea? GHK Cu Skincare Products SumaNurica GHK Cu Repairing Serum 30ml SumaNurica Im always transparent about my skin struggles and try to be vulnerable to show my clients the real deal. Recently (in the past year) Ive started struggling with rosacea. I decided to give this Copper Peptide (GHK CU) Serum Dermaesthetics For Professionals 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