I saw the Messenger of Allah (ﷺ) performing ablution. He wiped his head front and back, his temples and his ears once.
Sunan Abi Dawud Book 1, Hadith 129
← Previous Hadith The Messenger of Allah (ﷺ) performed ablution in her presence. He wiped the whole of his head from its upper to the lower part moving every side. He did not move the hair from their original position.

Sunan Abi Dawud Book 1, Hadith 128 Next Hadith → The Prophet (ﷺ) wiped his head with water which was left over in his hand.

Sunan Abi Dawud Book 1, Hadith 130