Mishkat al-Masabih #4291
Clothing
Thabit told that when Anas was asked whether the Prophet dyed his hair he replied, "If I had wanted to count the hoary hairs which were on his head I could have done so,” adding that he did not dye his hair. In a version he added that Abu Bakr dyed his hair with henna and katam, and ‘Umar dyed it with henna alone.
(Bukhari and Muslim.)
About Mishkat al-Masabih
This hadith is #4291 from Mishkat al-Masabih, in the Book of Clothing. Mishkat al-Masabih contains 4,428 hadiths across 25 books.