Bulugh al-Maram 1 The Book of Purification كتاب الطهارة 40

وَعَنْ عَبْدِ اَللَّهِ بْنِ يَزِيدَ بْنِ عَاصِمٍ – رضى الله عنه – -فِي صِفَةِ اَلْوُضُوءِ- قَالَ: { وَمَسَحَ – صلى الله عليه وسلم -بِرَأْسِهِ, فَأَقْبَلَ بِيَدَيْهِ وَأَدْبَرَ. } مُتَّفَقٌ عَلَيْه ِ 1 . 1 – صحيح. رواه البخاري (186)، ومسلم (235).

Narrated ‘Abdullah bin Zaid bin ‘Aasim (rad) describing the nature of ablution performance: Allah’s Messenger (صلى الله عليه وسلم) wiped his head from the forehead to the back of his head and then back to the forehead with his (wet) hands. [ Agreed upon ].