Medicube TXA Niacinamide 15% Serum 30ml is a brightening and tone-correcting facial serum formulated with 15% Niacinamide and Tranexamic Acid (TXA). It is designed to target the appearance of dark spots, hyperpigmentation, acne marks, dullness, and uneven skin tone while supporting the skin barrier and improving the look of skin texture. Its lightweight, fast-absorbing texture makes it easy to incorporate into both morning and evening skincare routines.