(Imām Bukhārī narrates): Abdullah bin Maslamah narrated to us, he said: Aflah informed us, from Al-Qasim, from Hazrat Aisha (may Allāh be pleased with her), she says that
I and the Prophet ﷺ used to bathe taking water from one vessel, and our hands would go into that vessel back and forth.
Reference: Sahih Al Bukhari 261