Zayd bin Aslam زيد بن أسلم · The Book of Purification

"Shall I not tell you of the Wudu' of the Messenger of Allah (ﷺ)? He performed Wudu' by washing each part of the body once."

"I saw the Messenger of Allah (ﷺ) performing Wudu'. He washed his hands, then he rinsed his mouth and nose with one handful of water, washed his face, washed each hand once, and wiped his head and ears once." (One of the narrators) 'Abdul-'Aziz said: "Someone who heard from Ibn 'Ajlan told me that he said concerning that: 'And he washed his feet.'"

"The Messenger of Allah (ﷺ) performed Wudu', and he scooped up one handful (of water) and rinsed his mouth and nose. Then he scooped up another handful and washed his face. Then he scooped up another handful and washed his right hand, then another handful and washed his left hand. Then he wiped his head and his ears, the inside with his forefinger and the outside with his thumb. Then he scooped up a handful of water and washed his…

"When the believing slave performs Wudu' and rinses his mouth, his sins come out from his mouth. When he sniffs water into his nose and blows it out, his sins come from his nose. When he washes his face, his sins come out from his face, even from beneath his eyelashes. When he washes his hands, his sins come out from his hands, even from beneath his fingernails. When he wipes his head, his sins come out from his head,…

"The Messenger of Allah (ﷺ) and Bilal entered Al-Aswaf and he went to relieve himself and then came out." Usamah said: "I asked Bilal: 'What did he do?' Bilal said: 'The Prophet (ﷺ) went to relieve himself, then he performed Wudu', so he washed his hands and face, and wiped his head and he wiped over his Khuffs, then prayed.'"