Numbuzin No.4 Hydration Glow Mineral Toner is a hydrating facial toner for all skin types. This hydrating mineral toner is the ideal first step for healthy and radiant skin. No.4 Hydration Glow Mineral Toner is formulated with 89% thermal water and five layers of hyaluronic acid, for deep hydration that revitalizes the skin. Enriched with PHA, it provides gentle exfoliation, while Niacinamide works to even out the complexion and add radiance to the face. Its lightweight formula perfectly prepares the skin, leaving it smooth, radiant, and ready to receive subsequent treatments or makeup.