The KOSE Clear Turn Medicated Whitening Skin White Mask is a Japanese all-in-one sheet mask pack containing 50 sheets. It combines six skincare steps: toner, serum, lotion, cream, face mask, and eye mask. The mask contains niacinamide for whitening and anti-spot effects, plus hydrating ingredients like collagen, hyaluronic acid, and astaxanthin to target dry fine lines. Made with a 3-layer natural cotton sheet that adheres well to the skin, it's ideal for daily use by those seeking both brightening and anti-aging benefits in one convenient treatment.