Muhammadbin Sirin narrated that Umm 'Atiyyah said:
"The Messenger ofAllah (ﷺ) entered upon us when we were washing his daughter UmmKulthum. He said: 'Wash her three or five times, or more than thatifyou think you need to, with water and lote leaves, and put camphorora little camphor in (the water) for the last washing. When youhavefinished, call for me.' When we finished, we called him, andhe gavehis waist-wrapper to us and said: 'Shroud her with it.'"
English reference: Vol. 1, Book 6, Hadith 1458
Arabic reference: Book 6, Hadith 1525