Perk up dull skin instantly with the APLB Glutathione Niacinamide Sheet Mask, which is drenched in essence containing 1,000ppm Glutathione and 1,000ppm Niacinamide for a powerful radiance boost! Also contains 13.5% Cica Extract to bring down any inflammation or skin irritation. The cellulose mask sheet material adheres firmly to enable swift delivery of active ingredients into skin.