Tanjiro is a young man of average height with fairly tanned skin and an athletic, muscular physique. He has ruffled, black hair with burgundy tips, combed back to expose his forehead, and wide, dark red eyes. He also has a scar on the top left of his forehead Tanjiro is very kind by nature and has been described by others as having very gentle eyes and a compassionate persona. He exhibits a great deal of determination. Tanjiro is direct and very honest, taking everyone's words with sincerity.