A brightening and refining serum, the Medicube TXA Niacinamide Radiance Serum is formulated with tranexamic acid, niacinamide, and arbutin to improve uneven skin tone, fade dark spots, and enhance overall skin clarity. The lightweight, non-sticky texture absorbs swiftly, leaving the skin fresh, luminous, and smooth. This serum features 5% TXA and 10% Niacinamide for a long-lasting glow that visibly brightens and evens out the complexion for up to 72 hours after application.