كُنْتُ أَغْتَسِلُ أَنَا وَالنَّبِيُّ، صلى الله عليه وسلم مِنْ إِنَاءٍ وَاحِدٍ تَخْتَلِفُ أَيْدِينَا فِيهِ.
Aishah reported: The Prophet ﷺ and I used to take the ritual bath (ghusl) from a single vessel, our hands taking turns in it.
also in Sahih al-Bukhari 250, Sahih al-Bukhari 263, Sahih al-Bukhari 299, Sahih al-Bukhari 300, Sahih al-Bukhari 301