Skin feeling dull, dehydrated, and in need of a serious lift? Our Master Lab sheet masks are just what the doctor ordered! Try a set of four of our ultra-thin and intensely hydrating sheet masks, formulated with natural cellulose so sheet masks fit perfectly onto the skin for ultra-effective and consistent absorption of active ingredients! Unlike conventional sheet masks made with cotton, the 'nude seal' technology used in this collection features an ultra-thin skin-fitting material that comfortably clings to all facial contours for effective delivery of the concentrated serum.