Sunan an-Nasa'i 12
سنن النسائي#12Sahihأَخْبَرَنَا الْحَارِثُ بْنُ مِسْكِينٍ، قِرَاءَةً عَلَيْهِ وَأَنَا أَسْمَعُ، عَنِ ابْنِ وَهْبٍ، عَنْ حَنْظَلَةَ بْنِ أَبِي سُفْيَانَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " الْفِطْرَةُ قَصُّ الأَظْفَارِ وَأَخْذُ الشَّارِبِ وَحَلْقُ الْعَانَةِ " .
It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:"The deeds connected to the Fitrah are: Clipping the nails, removing the mustache and shaving the pubes
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 1:12