Oh, yes, elf hydration face primer is indeed water-based. It's specially formulated to provide a refreshing and soothing sensation, while also promoting a more radiant complexion. The gentle formula is packed with nourishing ingredients like aloe vera, hyaluronic acid, and vitamin E, which work together to replenish moisture and keep skin feeling hydrated all day long. It's perfect for those with dry or sensitive skin, or anyone who wants to give their skin an extra boost of hydration.