The Numbuzin No.4 Hydrating Glow Mineral Toner is a deeply hydrating toner that enhances skin texture and prepares your skin for makeup. Formulated with 89% thermal water, 5 layers of hyaluronic acid, and PHA, it provides 7 layers of moisture, exfoliates gently, and refines pores. Niacinamide brightens the complexion, leaving your skin smooth, hydrated, and glowing.