The Ultimate Thirst Quencher. Feeling parched? It only takes 5 minutes to treat your skin to a much-needed surge of maximum moisture. Hydrate FlashMasque® 5 Minute Sheet Masks combat dehydration and ease your facial fatigue. You'll look youthful and dewy every day. Refreshing Ingredients. Hyaluronic Acid hydrates and helps improve elasticity. Vitamin B5 softens and smooths the look of your skin, while Betaine improves its ability to retain moisture. Drink in all the good stuff.