Dua after Wudu

‘Ash-hadu ‘an laa ‘ilaaha ‘illallaahu wahdahu laa shareeka lahu wa ‘ash-hadu ‘anna Muhammadan ‘abduhu wa Rasooluhu

Narrated ‘Umar bin Al-Khattab (RA): The Messenger of Allah (صلى الله عليه وسلم (said, “Whoever of you performs Wudu’ carefully and then affirms: ‘Ash-hadu an la ilaha illallahu Wahdahu la sharika Lahu, wa ash-hadu anna Muhammadan ‘abduhu wa Rasuluhu the eight gates of Jannah are opened for him. He may enter through whichever of these gates he desires (to enter).” [Muslim]