“Your skin, she’s so thirsty,” rapped no rapper ever. But if Kanye West were to immortalize dry, thirsty skin in his lyrics, he would surely name-drop these new, ultraluxurious face sheet masks. Sheet masks, a common Asian skin-care beauty product often captured on social media via the hashtag #MaskMondays, are a one-use film mask, typically doused with a hypercharged, hydrating serum. The masks are meant to be placed directly on your face to seal in moisture. Click through our slideshow for some of the best new sheet masks on the market, including one that’s sold out in Korea.