Muzan generally dresses in a businessman's suit, using Western clothing that was quite sophisticated for the time, highlighting a white fedora hat and a red tie. Regarding his physical appearance, Muzan has the appearance of a young man whose age ranges between approximately 20 years; He has short hair styled in curls with a few strands hanging on his forehead. Like all Demons, Muzan has eyes similar to those of a feline, in his case, plum red.