Yes, Elf Poreless Putty Primer is a water-based product. It is formulated with hyaluronic acid, which helps to lock in moisture and prevent dryness, while the silicone-free formula provides a smooth and velvety finish. Additionally, the water-based formula is lightweight and non-greasy, making it ideal for people with oily or combination skin. It is also free from parabens, sulfates, and phthalates, making it a gentle and safe choice for all skin types.