What it is: Featuring a trifecta of barrierbuilding complexes, including the 111SKIN signature NAC Y2, this mask works to help reduce oxidative stress, irritation, and redness while strengthening the skin against all external aggressors. What it does: Reinforces the skin barrier and calms the complexion with 5 ceramides native to the skin. How to use it: Apply a generous amount onto clean skin or focus on areas of concern following your usual 111SKIN regime. Key ingredients: PentaCeramide Complex, Calming Complex, Silk Amino Peptides, Biomimetic Peptides, Tazman Pepper Extract Size: 2.5 fl. oz. / 75