It was narrated from Anas that the Messenger of Allah (ﷺ) used to (go around) all his wives and perform Ghusl once.
Reference: 265English reference: Vol. 1, Book 1, Hadith 265Arabic reference: Book 1, Hadith 266In-book reference: Book 1, Hadith 265Grade: Sahih (Darussalam)Read this hadith from Darussalam Collection
أَخْبَرَنَا مُحَمَّدُ بْنُ عُبَيْدٍ، قَالَ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ، قَالَ أَنْبَأَنَا مَعْمَرٌ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يَطُوفُ عَلَى نِسَائِهِ فِي غُسْلٍ وَاحِدٍ .
