Anua Niacinamide 10 + TXA 4 Dark Spot Correcting Serum – your go-to for fighting hyperpigmentation and revealing a glowing, even-toned complexion. Packed with 10% niacinamide and 4% tranexamic acid, this serum is expertly formulated to reduce dark spots and acne scars. Niacinamide helps control melanin production, while tranexamic acid directly targets discoloration at its source, leaving your skin visibly smoother and more uniform