Anua Niacinamide 10 + TXA 4 Dark Spot Removing Serum is a powerful serum formulated to target and reduce dark spots on the skin. It contains a combination of 10% niacinamide (vitamin B3) and TXA 4 (Tranexamic Acid) known for their brightening and skin-evening properties. Niacinamide helps to reduce the appearance of hyperpigmentation and uneven skin tone, while TXA 4 works to inhibit melanin production, resulting in a more even complexion. With regular use, this serum helps to fade dark spots, leaving the skin looking brighter, clearer, and more radiant.