Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tirmidhi:31 – Yaḥyá b. Mūsá > ʿAbd al-Razzāq > Isrāʾīl > ʿĀmir b. Shaqīq > Abū Wāʾil > ʿUthmān b. ʿAffān

the Prophet would go through his beard."  

Abū ʿĪsá said that this Ḥadīth is Ḥasan-Ṣaḥīḥ.
الترمذي:٣١ – حَدَّثَنَا يَحْيَى بْنُ مُوسَى حَدَّثَنَا عَبْدُ الرَّزَّاقِ عَنْ إِسْرَائِيلَ عَنْ عَامِرِ بْنِ شَقِيقٍ عَنْ أَبِي وَائِلٍ عَنْ عُثْمَانَ بْنِ عَفَّانَ

أَنَّ النَّبِيَّ ﷺ كَانَ يُخَلِّلُ لِحْيَتَهُ  

قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ

See similar narrations below:

Collected by Ibn Mājah, Aḥmad, Ṭabarānī, Suyūṭī
ibnmajah:430 – Muḥammad b. Abū Khālid al-Qazwīnī > ʿAbd al-Razzāq > Isrāʾīl > ʿĀmir b. Shaqīq al-Asadī > Abū Wāʾil > ʿUthmān

The Messenger of Allah performed ablution and ran his fingers through his beard.  

ابن ماجة:٤٣٠ – حَدَّثَنَا مُحَمَّدُ بْنُ أَبِي خَالِدٍ الْقَزْوِينِيُّ حَدَّثَنَا عَبْدُ الرَّزَّاقِ عَنْ إِسْرَائِيلَ عَنْ عَامِرِ بْنِ شَقِيقٍ الأَسَدِيِّ عَنْ أَبِي وَائِلٍ عَنْ عُثْمَانَ

أَنَّ رَسُولَ اللَّهِ ﷺ تَوَضَّأَ فَخَلَّلَ لِحْيَتَهُ  

ahmad:25970 – Zayd b. al-Ḥubāb > ʿUmar b. Abū Wahbal-Naṣrī > Mūsá > Ṭalḥah b. ʿUbaydullāh b. Kurayz al-Khuzāʿī > ʿĀʾishah

[Machine] That the Messenger of Allah ﷺ used to wet his beard with water when performing ablution.  

أحمد:٢٥٩٧٠ – حَدَّثَنَا زَيْدُ بْنُ الْحُبَابِ قَالَ أَخْبَرَنِي عُمَرُ بْنُ أَبِي وَهْبٍ النَّصْرِيُّ قَالَ حَدَّثَنِي مُوسَى عَنْ طَلْحَةَ بْنِ عُبَيْدِ اللهِ بْنِ كُرَيْزٍ الْخُزَاعِيُّ عَنْ عَائِشَةَ

أَنَّ رَسُولَ اللهِ ﷺ كَانَ إِذَا تَوَضَّأَ خَلَّلَ لِحْيَتَهُ بِالْمَاءِ  

tabarani:20061 – ʿAbdullāh b. Aḥmad b. Ḥanbal > Abū al-Rabīʿ al-Zahrānī > Abū Muʿāwiyah > Khālid b. Ilyās > ʿAbdullāh b. Rāfiʿ > Um Salamah

[Machine] The Prophet ﷺ used to "comb his beard when he performed ablution."  

الطبراني:٢٠٠٦١ – حَدَّثَنَا عَبْدُ اللهِ بْنُ أَحْمَدَ بْنِ حَنْبَلٍ ثنا أَبُو الرَّبِيعِ الزَّهْرَانِيُّ ثنا أَبُو مُعَاوِيَةَ عَنْ خَالِدِ بْنِ إِلْيَاسَ عَنْ عَبْدِ اللهِ بْنِ رَافِعٍ عَنْ أُمِّ سَلَمَةَ

أَنَّ النَّبِيَّ ﷺ كَانَ «إِذَا تَوَضَّأَ خَلَّلَ لِحْيَتَهُ»