111Skin Repair Serum Nac Y2 15ml in Beauty: NA. 111Skin Repair Serum Nac Y2 15ml in Beauty: NA. Meet the clock-stopping serum that future-proofs your skin to combat early signs of ageing. Formulated with surgical precision to help plump and smooth skin and give your skin a healthy glow.. Suitable for normal skin Targets skin repair and protection. Cruelty-free Powered by the highest concentration of NAC Y2TM to help promote the production of glutathione - the body's master antioxidant - and protect against free radical damage. Paraben free Encourages healthy collagen production and helps to improve elasticity for firmer, smoother skin. 0.50 fl oz. After cleansing, distribute 1-2 pumps between your fingertips and apply to your face and neck in an upward motion every morning and evening before moisturizer.. 111R-WU106. RESEMSS01. Working in collaboration with space scientists responsible for the well-being of astronauts, renowned cosmetic surgeon Dr. Yannis Alexandrides developed the patented NAC Y2 formula that runs through the core of his highly effective skincare line. Named after his Harley Street, London clinic, 111SKIN's cutting-edge products feature potent healing ingredients designed to promote a youthful and radiant appearance while offering unprecedented protection against environmental damage.