Hadith #5670 (Sahih al-Bukhari)
Book: Dress
Narrator(s): Uthman bin 'Abdullah عثمان بن عبد الله بن الحكم بن الحارث
Grade: Sahih

I went to Um Salama and she brought out for us some of the dyed hair of the Prophet.

Source: https://parallelquran.com/hadith/sahih-al-bukhari-5670/