(29) باب شَيْبِهِ صلى الله عليه وسلم .
Jabir 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.
Reference: Sahih Muslim 2344 a
In-book reference: Book 43, Hadith 141
USC-MSA web (English) reference(deprecated numbering scheme): Book 30, Hadith 5788