Weak acidity, tone-up mask for bare face care!Become lighter and more comfortable! A pH-balancing mask that lightly adheres to your skin.Daily facial mask, recommended for those with the following skin types!Dull and blotchy skin type, uneven skin type from freckles and blemishes, sensitive skin that gets irritated from a thick mask sheet, bare face that needs to be lightened. Sub-acid mask that gently permeates Glutathione into the skin, brightening the skin tone like snow.Brightening Care Glutathione is evenly absorbed into the dull skin, producing the skin tone bright and clean.pH6.0(±1.0) Sub-acid Mask The fruit vinegar* ingredient makes the skin to healthiest and slightly acidic state by controlling the pH balance disturbed by the external environment.Comfortable Air Mesh Sheet With highly permeable mesh material, the sheet adheres lightly to the skin for it to breathe, and delivers active ingredients gently.