Jami` at-Tirmidhi 2761
جامع الترمذي#2761SahihNarrated Zaid bin Arqam:that the Messenger of Allah (ﷺ) said: "Whoever does not take from his mustache, then he is not from us
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih
In-book reference: 43:31