Numbuzin No.4 Hydration Glow Mineral Toner is a moisturizing face tonic water for all skin types. This hydrating mineral toner is the ideal first step for healthy, glowing skin. No.4 Hydration Glow Mineral Toner is formulated with 89% thermal water and five layers of hyaluronic acid, for deep hydration that revitalises the skin. Enriched with PHA, it gently exfoliates, while Niacinamide evens out the skin tone and makes the face glow. Its light formula perfectly prepares the skin, leaving it smooth, radiant and ready for subsequent treatments or make-up.