During the sake production process, the liquid extracted from the unrefined sake goes on to be used as the well-known alcoholic beverage. The remaining residue becomes the sake-kasu (sake-lees).The nutrients left over from the yeast that remain in the sake-kasu make it an incredible health food as well as a potent natural skin care ingredient. BENEFITS:- Contains kojic acid, a by-product from the sake fermentation. Sake-kasu is rich in kojic acid, vitamin D, vitamin B1 and other nutrients that inhibit the performance of melanin, the main culprit of sun spots, age spots, and freckles- Sake-kasu baths have incredible moisturizing and heat-retention effects- Sake is an excellent skin toner that has been used for centuries in Japan- Drinking sake-kasu as a hot drink may lessen the severity of certain allergic reactions- Contains ferulic acids, a powerful UV light absorber that helps prevent skin aging- Contains dietary fibers that may help strengthen the digestive systemMade in Japan