"I said to 'Aishah: 'What did the Prophet ﷺ start with when he entered his house?' She said: 'The Siwak.'"  

قُلْتُ لِعَائِشَةَ بِأَىِّ شَىْءٍ كَانَ يَبْدَأُ النَّبِيُّ ﷺ إِذَا دَخَلَ بَيْتَهُ قَالَتْ بِالسِّوَاكِ