Watsons Sheet Mask Fair! Enjoy awesome savings for a limited time only! Take your skincare routine to the next level by using a face mask every day to keep your skin looking good! Promotion valid till 26 March 2018 (WM), 2 April 2018 (EM) Shop these different types of sheet masks from Watsons Brand at ONLINE store. Terms and Conditions apply. While Stocks Last.