Numbuzin No.6 Deep Sleep Mask Serum is a potent overnight treatment designed to deeply hydrate, brighten, and rejuvenate your skin while you sleep. Formulated with 63% glacier water, hyaluronic acid, and niacinamide, this serum delivers intense moisture and helps improve skin elasticity. Its lightweight, non-sticky texture absorbs quickly, providing a soothing and refreshing experience. Suitable for all skin types, this serum ensures you wake up with a radiant and well-rested complexion.