Sunan an-Nasa'i 6

سنن النسائي#6Sahih

أَخْبَرَنَا حُمَيْدُ بْنُ مَسْعَدَةَ، وَعِمْرَانُ بْنُ مُوسَى، قَالاَ حَدَّثَنَا عَبْدُ الْوَارِثِ، قَالَ حَدَّثَنَا شُعَيْبُ بْنُ الْحَبْحَابِ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ قَدْ أَكْثَرْتُ عَلَيْكُمْ فِي السِّوَاكِ ‏"‏ ‏.‏

It was narrated that Anas bin Malik said:"The Messenger of Allah (ﷺ) said: 'I have indeed urged you with regard to the Siwak

Scholarly Authentication

The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:

Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari

Our source also lists this ruling under Abu Ghuddah, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.

In-book reference: 1:6