111SKIN Repair Serum NAC Y2 delivers powerful antioxidant and reparative skincare. This serum features NAC Y2TM Triple-encapsulation Repair Technology, delivering actives deep into the epidermis. It works to improve elasticity, enhance skin barrier function, and repair skin for a plumper, smoother, glowing complexion. The cooling, velvety texture absorbs easily, leaving skin nourished, soft, and hydrated while reducing redness.