What it is: Anua Niacinamide 10% + TXA 4% Serum is a high-performance skincare solution designed to target dark spots, hyperpigmentation, and acne marks. Formulated with 10% niacinamide and 4% tranexamic acid, this serum works to brighten and even out skin tone while improving overall skin texture. Product Size: 30ml Product From: Korea