Part of the brand's new liquid mask range, the NAC Y2 Recovery Mask is nourishing, healing and strengthening thanks to a a trifecta of barrier-building complexes Featuring 111SKIN's signature complex NAC Y2, this rich mask works to help reduce oxidative stress, irritation and redness while strengthening the skin against all external aggressors. But it doesn't stop there, this hardworking hero also features silk amino peptides to rejuvenate the skin's tone, reduce fine lines and wrinkles as well