A kind of ikkei, with mage (chignon) made on the top of the head and the hair on the back of the head hanging down was done by uneme who served the emperors even when Heian period started.
一髻で髻も頭上に作り後ろ髪を垂らすものは平安時代に入ってからも天皇に仕える采女（うねめ）に結われた。