The water-based hydration product you're referring to is called Elf Hydration Mist. It is a lightweight, refreshing facial mist that provides a burst of hydration and helps to set makeup. It is formulated with a blend of plant-derived ingredients, including aloe vera, cucumber extract, and jojoba oil, to help soothe and moisturize the skin. The mist is also infused with a refreshing scent of peppermint and spearmint for a cool and invigorating sensation. The product is designed to be used throughout the day to help keep your skin feeling hydrated and refreshed.