Mediheal Hydro Advanced Capsul Hydration Treatment Sheetmask, $24.95 for 5-pack: "This mask gives your skin a double dose of much needed hydration after a long flight.  It's a two-step treatment— the biocellulose mask quenches the skin with hyaluronic acid and the ceramide ampoule plumps and smooths the skin leaving it firm, bright and moisturized," Cho (SOKO GLAM)