JUMISO Niacinamide 20 Serum is a high-strength Korean skincare serum designed to target uneven skin tone, dark spots, enlarged pores, excess oil, and dull skin. Formulated with 20% niacinamide and supportive soothing and brightening ingredients, it helps improve overall skin clarity, texture, and balance. The lightweight serum absorbs quickly without feeling greasy, making it suitable for daily use. Key Benefits Helps visibly reduce dark spots and hyperpigmentation Brightens dull skin and promotes a more even skin tone Minimizes the appearance of pores Controls excess oil and balances sebum production Strengthens the skin barrier Soothes redness and irritation Improves overall skin texture and smoothness How to Use Cleanse your face thoroughly. Apply toner if you use one. Take 2–3 drops of the serum and gently spread it over the face and neck. Pat lightly until fully absorbed. Follow with a moisturizer. Use sunscreen during the daytime. Usage TipIf you have sensitive skin or are new to high-strength niacinamide, start using the serum once daily, preferably at night, and gradually increase frequency as your skin adjusts.