Medicube TXA Niacinamide 15 Serum is a, highly-rated Korean skincare product designed to brighten skin, reduce hyperpigmentation, and fade dark spots/acne scars using 5% Tranexamic Acid (TXA), 10% Niacinamide, and 2% Arbutin. It is effective for treating uneven skin tone, dullness, and improving texture, providing a radiant "glass skin" glow with a lightweight, low-irritation formula.