Sahih al-Bukhari 2071
صحيح البخاري#2071SahihNarrated Aisha:The companions of Allah's Messenger (ﷺ) used to practice manual labor, so their sweat used to smell, and they were advised to take a bath
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 34:24