What it is: Featuring a trifecta of barrier-building 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: Penta-Ceramide Complex, Calming Complex, Silk Amino Peptides, Biomimetic Peptides, Tazman Pepper Extract Size: 2.5 fl. oz. / 75 ml