Shiitake mushrooms have been cultivated in Japan for over 2000 years where they are considered a token of longevity and immortality. In China, Shiitake was considered at the court of the emperors Ming as the ‘long life elixir’. Shiitake mushroom extract is extremely rich in essential amino acids, and the dense presence of kojic acid, the natural hydroquinone substitute works to lighten the skin by fading away the age spots and scars.