BeautySpaceNk Patchology FlashMasque Hydrate 5 Minute Sheet Face Mask (single) - Don t let a dry run get you down. Patchology’s Hydrate FlashMasque replenishes dry dehydrated or fatigued skin with Hyaluronic Acid Vitamin B5 and Betaine. Whether it s the dead of winter or the height of summer the elements don t always play well with our skin. Hydrate FlashMasque 5 minute facial sheets send in a much needed surge of moisture to ease the tension.