Riyad as-SalihinChapter 8Hadith 521
Full Sharh — Riyad as-Salihin 521
وعن شريح بن هانئ قال: قلت لعائشة، رضي الله عنها: بأي شيء كان يبدأ النبي صلى الله عليه وسلم إذا دخل بيته. قالت: بالسواك. ((رواه مسلم)).
English Translation
Shuraih bin Hani (May Allah be pleased with him) reported:: I asked 'Aishah (may Allah be pleased with her): "What was the first thing which the Prophet (ﷺ) would do when he entered his house?" She replied: "He would use Miswak (tooth-stick).".
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Virtues
Hadith Number
521