Shiitake mushrooms have long been regarded as a symbol of youth and longevity in Chinese medicine. Packed with vitamins and minerals such as B6, B12, D, pantothenic acid, folate, niacin, choline, copper, zinc, manganese and selenium, all of which play an important role in maintaining the integrity of your skin, the shiitake mushroom provides a rich source of kojic acid, which is helpful in reducing the appearance of blotches and unwanted facial marks. When it comes to restoring balance to stressed or thirsty skin, our Kombucha and Shiitake Purifying Sheet Mask could make a visibly noticeable improvement in the appearance of your complexion.