During the 1920s and 1930s, Japanese women began wearing their hair in a style called (literally, "ear hiding"), in which hair was pulled back to cover the ears and tied into a bun at the nape of the neck. Waved or curled hair became increasingly popular for Japanese women throughout this period, and permanent waves, though controversial, were extremely popular. Bobbed hair also became more popular for Japanese women, mainly among actresses and , or "cut-hair girls," young Japanese women who followed Westernized fashions and lifestyles in the 1920s.