‘Amr ibn ‘Abasah reported: The Messenger of Allah, peace and blessings be upon him, said, “None of you approach ablution and rinse his mouth and nose but that the sins of his face, mouth, and nose fall away. He does not wash his face as Allah commanded him but that the sins of his jaws fall away with the water. He does not wash his arms up to the elbows but that the sins of his hands to his fingertips fall away with the water. He does not wipe his head but that the sins of his head to his temples fall away with the water. He does not wash his feet to his ankles but that the sins of his feet to their tips fall away with the water. If he stands to pray, thanking, praising, and glorifying Allah as he deserves and devoting his heart only to Allah, his sins will depart from him like the day he was born from his mother.” [Sahih Muslim]
Abu Huraira reported: The Messenger of Allah, peace and blessings be upon him, said, “Verily, my nation will be called on the Day of Resurrection as brightly radiant from the traces of ablution. Whoever among you is able to extend his radiance, let him do so.” [Bukhari]