He who performs ablution perfectly, his sins will leave his body, even coming out from under his nails. [Muslim]
"«من توضَّأ فَأَحْسَن الوُضُوءَ، خَرَجَتْ خَطَايَاهُ مِنْ جَسَدِهِ حَتَّى تَخْرُج مِنْ تَحْتِ أَظْفَارِه». [صحيح.] - [رواه مسلم.]"
