Product Features It contains Glutathione, which brightens dark and dull skin from the outer environment, and Trehalose gives skin vitality and keep it moist. Skin type All skin, Hyper pigmentaion, freckles, dull skin Main Ingredient Titanium-Oxide Helps improve skin complexion Alpha Arbutin Inhibiting Thyrosinase enzyme helps to suppress pigmentation. Glutathione Helps improve skin complexion and the aging skin Trehalose Keep moisture from evaporating and help keep skin hydrated. How to Use After clean your face, apply vita-C13 ampoule -> Apply mask on your face -> Remove the mask sheet after 10~20 minutes later and gently pat the remaining essence. Content Single: 25g*5ea