Tosowoong Niacinamide 10% + Tranexamic Acid 4% Serum is a lightweight daily face serum designed to reduce dark spots, hyperpigmentation, and uneven skin tone. Niacinamide 10% helps regulate oil production, refine pores, and strengthen the skin barrier, while Tranexamic Acid 4% (TXA) targets stubborn pigmentation and prevents new dark spots from forming. Enriched with Arbutin for added brightening and Hyaluronic Acid for deep hydration, this serum absorbs quickly without leaving a sticky residue. Suitable for all skin types, it promotes a clearer, smoother, and luminous complexion with consistent use.