Sahih Muslim Book - 2, Hadith - 577

حَدَّثَنَا سُوَيْدُ بْنُ سَعِيدٍ عَنْ مَالِكِ بْنِ أَنَسٍ ح و حَدَّثَنَا أَبُو الطَّاهِرِ وَاللَّفْظُ لَهُ أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ وَهْبٍ عَنْ مَالِكِ بْنِ أَنَسٍ عَنْ سُهَيْلِ بْنِ أَبِي صَالِحٍ عَنْ أَبِيهِ عَنْ أَبِي هُرَيْرَةَ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ إِذَا تَوَضَّأَ الْعَبْدُ الْمُسْلِمُ أَوْ الْمُؤْمِنُ فَغَسَلَ وَجْهَهُ خَرَجَ مِنْ وَجْهِهِ كُلُّ خَطِيئَةٍ نَظَرَ إِلَيْهَا بِعَيْنَيْهِ مَعَ الْمَاءِ أَوْ مَعَ آخِرِ قَطْرِ الْمَاءِ فَإِذَا غَسَلَ يَدَيْهِ خَرَجَ مِنْ يَدَيْهِ كُلُّ خَطِيئَةٍ كَانَ بَطَشَتْهَا يَدَاهُ مَعَ الْمَاءِ أَوْ مَعَ آخِرِ قَطْرِ الْمَاءِ فَإِذَا غَسَلَ رِجْلَيْهِ خَرَجَتْ كُلُّ خَطِيئَةٍ مَشَتْهَا رِجْلَاهُ مَعَ الْمَاءِ أَوْ مَعَ آخِرِ قَطْرِ الْمَاءِ حَتَّى يَخْرُجَ نَقِيًّا مِنْ الذُّنُوبِ.

It was narrated from Abu Hurairah that the Messenger of Allah (s.a.w) said: "When a Muslim - or a believer - performs Wudu' and washes his face, every sin that he looked at with his eyes comes out from his face with the water - or with the last drop of the water. When he washes his hands, every sin that he committed with his hands comes out from his hands with the water - or with the last drop of the water. When he washes his feet, every sin to which he walked with his feet comes out from his feet with the water - or with the last drop of the water - until he emerges cleansed of sins."