Yeast belongs to Bacteria, produced by budding. When a yeast breaks down carbohydrates through anaerobic repiration, alcohol and carbon dioxide are produced. Using this property, people have been using yeast for making beer, Makgeolli or bread. In the mean time, it can not only produce lots of skin-friendly amino acids but also contains much NMF(Natural Moisturizing Factor), effective for moisturizing and enhancing skin elasticity.
