Sunan Ibn Majah 3721
سنن ابن ماجه#3721SahihIt was narrated from 'Amr bin Sh'uaib from his father, that his grandfather said:"The Messenger of Allah(ﷺ) forbade plucking out white hairs and said: 'It is the light of the believer
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih
Muhammad Fouad Abd al-BaqiHasan Sahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiHasan
In-book reference: 33:65