(4) باب الوضوء
Narrated 'Abdullah bin Zaid bin 'Aasim (rad) describing the nature of ablution performance:
Allah's Messenger (ﷺ) wiped his head from the forehead to the back of his head and then back to the forehead with his (wet) hands. [ Agreed upon ].
Reference: Bulugh al-Maram 35
In-book reference: Book 1, Hadith 40
English translation: Book 1, Hadith 39