Sunan an-Nasa'i 4364
سنن النسائي#4364SahihIt was narrated from Umm Salamah that the Messenger of Allah said:"when the (first) ten (days of Dhul-Jijjah) begin, and one of you wants to offer a sacrifice, let him not remove anything from his hair or skin
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: 43:4