This is a Beyond Beauty product which means it has been sourced, tried and tested and finally declared one of the most new and innovative heroes out there. Experience the new frontier of antioxidant skincare, now with four times the reparative power; formulated with surgical precision to help you achieve plumper, smoother, glowing skin. Powered by 111SKIN's new NAC Y2 Triple-encapsulation Repair Technology, the new Repair Serum NAC Y2 delivers actives deeper into the epidermis for lasting benefits and enhanced results. Clinically proven to instantly increase hydration levels by 65%, restore healthy skin in two weeks and reinforce the skin barrier function for up to 48 hours, this product repairs skin from within to future-proof your complexion. Upon application, the cooling, velvety texture absorbs effortlessly into skin, leaving it feeling immediately nourished, softer, and hydrated. Over time, this serum helps to repair and rebalance your complexion by triggering production of glutathione - the body's master antioxidant - and reducing redness.