Sunan an-Nasa'i 39
سنن النسائي#39SahihIt was narrated from 'Abdullah bin Mas'ud, that the Messenger of Allah (ﷺ) forbade cleaning oneself with bones or dung
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
In-book reference: 1:39