One day the Prophet ﷺ had intercourse with all his wives. He took a bath after each intercourse. I asked him: Messenger of Allah, why don't you make it a single bath? He replied: This is more purifying, better and cleaning. Abu Dawud said: The tradition narrated by Anas is more sound that this tradition.
أَنَّ النَّبِيَّ ﷺ طَافَ ذَاتَ يَوْمٍ عَلَى نِسَائِهِ يَغْتَسِلُ عِنْدَ هَذِهِ وَعِنْدَ هَذِهِ قَالَ فَقُلْتُ لَهُ يَا رَسُولَ اللَّهِ أَلاَ تَجْعَلُهُ غُسْلاً وَاحِدًا قَالَ هَذَا أَزْكَى وَأَطْيَبُ وَأَطْهَرُ