Sunan Ibn Majah, Book 1, Hadith 465 (In-Book) ⓘ
It was narrated from 'Uthman that: The Messenger of Allah performed ablution and ran his fingers through his beard.
حَدَّثَنَا مُحَمَّدُ بْنُ أَبِي خَالِدٍ الْقَزْوِينِيُّ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، عَنْ إِسْرَائِيلَ، عَنْ عَامِرِ بْنِ شَقِيقٍ الأَسَدِيِّ، عَنْ أَبِي وَائِلٍ، عَنْ عُثْمَانَ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ تَوَضَّأَ فَخَلَّلَ لِحْيَتَهُ .
also referenced under: Hadith 430 (Reference) & Volume 1, Book 1, Hadith 430 (DarusSalam)