Sahih Muslim 6083
صحيح مسلم#6083SahihJabir b. Samura was asked about the old age of Allah's Apostle (ﷺ). He said:When he oiled his head nothing was seen (as a mark of old age) and when he did not apply oil something (of the old age) became visible
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 43:141