111SKIN repair serum NAC Y2 aims for plumper, smoother, glowing skin. This serum deploys actives deeper into the epidermis with lasting benefits. It helps improve elasticity and enhance skin barrier function, repairing skin from within. The cooling, velvety texture absorbs effortlessly, leaving skin feeling nourished, softer, and hydrated. It triggers production of glutathione, the body's master antioxidant, and reduces redness to rebalance the complexion.