New never used!! 111Skin Y Theorem Day Cream NAC Y2. 1.7 fl oz. Description from website: Dr Yannis’ signature healing complex, NAC Y²™ dramatically reduces the effects of environmental damage, as well as promoting a clear, youthful complexion. We also infuse this cult cream with a signature blend of the purest active ingredients including Hyaluronic Acid to hydrate and plump your skin. It’s also packed with a potent Vitamin Complex to shield the complexion, strengthen the skin barrier and repair damage. Sold out on 111skin website