Copper Peptide Barrier Cream Yunasence GHK Cu with Ceramides YUNASENCE Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare Copper Peptide Barrier Cream Yunasence GHK Cu with Ceramides YUNASENCE 7% GHK CU ACCELERANT 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