At the beginning of the Edo period (1603–1868) there were two different types of baths. In Edo, hot-water baths (' ') were common, while in Osaka, steam baths ( ') were common. At that time shared bathrooms for men and women were the rule. These bathhouses were very popular, especially for men. "Bathing girls" ( "") were employed to scrub the guests' backs and wash their hair, etc. In 1841, the employment of "yuna" was generally prohibited, as well as mixed bathing. The segregation of the sexes, however, was often ignored by operators of bathhouses, or areas for men and women were separated only by a symbolic line. Today, "sento" baths have separate rooms for men and women.