The Beard and Mustache
Al-Kāfi|Volume 6|Book 7|Chapter 35
عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ النَّوْفَلِيِّ عَنِ السَّكُونِيِّ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ قَالَ رَسُولُ اللَّهِ ( صلى الله عليه وآله ) لَا يُطَوِّلَنَّ أَحَدُكُمْ شَارِبَهُ فَإِنَّ الشَّيْطَانَ يَتَّخِذُهُ مَخْبَأً يَسْتَتِرُ بِهِ .
11. Ali ibn Ibrahim has narrated from his father from al-Nawfaliy from al-Sakuniy who has said the following: “Abu ‘Abd Allah عليه السلام, has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, has said, ‘You must not allow your mustache to grow long; Satan makes it his hiding place and cover.’”
- Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (2/384)
- Ṣaḥīḥ al-Kāfī