Riyad as-SalihinChapter 8Hadith 347
Full Sharh — Riyad as-Salihin 347
وعن عثمان بن عفان رضي الله عنه قال: قال رسول الله صلى الله عليه وسلم: "من توضأ فأحسن الوضوء، خرجت خطاياه من جسده حتى تخرج من تحت أظفاره" ((رواه مسلم)).
English Translation
'Uthman bin 'Affan (May Allah be pleased with him) reported:: The Messenger of Allah (ﷺ) said, "He who performs the Wudu' perfectly (i.e., according to Sunnah), his sins will depart from his body, even from under his nails.".
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Virtues
Hadith Number
347