MEDICUBE TXA Niacinamide 15 Serum 30mlMEDICUBE TXA Niacinamide 15 Serum is a high performance brightening serum designed to target dark spots, dullness, and uneven skin tone. With 15% Niacinamide, Tranexamic Acid, and Arbutin, it works to visibly fade hyperpigmentation and boost overall radiance. Enriched with multiple types of Hyaluronic Acid and Peptides, it also provides deep hydration and supports smoother, firmer skin. Ideal for those looking to achieve a clearer, more even, and