Brighten and even your skin with COSRX Vitamin C 23 Serum, a Korean skincare favorite. With 23% pure vitamin C and niacinamide, it fades dark spots, boosts radiance, and hydrates your skin. Lightweight and fast-absorbing, it’s an all-in-one serum perfect for daily use. May not be suitable for severe sensitive skin. Use with SPF for best results.