The present invention addresses the problem of providing a miso and a miso extract that can be ingested on a daily basis and that exhibit an excellent skin beautification effect. As a means to solve this problem, a miso according to the present invention is made by mixing cooked soybeans with salt and rice koji obtained by cooking rice and cultivating koji spores therein, then fermenting and aging the result. The color of the miso has a Y value of 18-35 in the XYZ color system. A miso extract according to the present invention exhibits β-glucocerebrosidase activity.