Sunan an-Nasa'i 5071
سنن النسائي#5071SahihIt was narrated that Abu Hurairah said:"The Messenger of Allah [SAW] said: 'The Jews and the Christians do not dye their hair, so be different from them and dye your hair
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 48:32