(20) باب مَا يَكْفِي الْجُنُبَ مِنْ إِفَاضَةِ الْمَاءِ عَلَى رَأْسِهِ
It was narrated that Jabir said:
"When the Messenger of Allah (ﷺ) performed Ghusl, he would pour water on his head three times."
Reference: Sunan an-Nasa'i 426
In-book reference: Book 4, Hadith 31
English translation: Vol. 1, Book 4, Hadith 426