Man Lā Yaḥḍuruh al-Faqīh

Hadith 117
wudu
119 - وَقَالَ أَبُو جَعْفَرٍ اَلْبَاقِرُ عَلَيْهِ اَلسَّلاَمُ: فِي اَلسِّوَاكِ «لاَ تَدَعْهُ فِي كُلِّ ثَلاَثَةِ أَيَّامٍ وَ لَوْ أَنْ تُمِرَّهُ مَرَّةً وَاحِدَةً.
Hadith.119 - Imam Muhammad ibn Ali Al-Baqir (as) said about the siwak: "Do not neglect it for more than three days, even if you use it just once."
Source: Shaykh Muḥammad b. ʿAlī al-Ṣaduq