The Kojic Acid soap you've always trusted.  It has an all- natural kojic acid formula that helps lighten dark spots due to acne, age spots, freckles, sun - damaged skin, and other skin pigmentations.Kojic Acid was discovered in Japan.  It is a by - product in the production of Koji, or Malted Rice, for use in the manufacture oof Japanese rice wine.In cosmetics, Kojic Acid is popularly known for its excellent whitening effects and antioxidant properties.