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 ].

In another narration by al-Bukhari and Muslim:
"He started with the front of his head, moved them (his hands) to the nape of his neck, and then returned them to the place where he started."