It was narrated from Umm Salamah that the Messenger of Allah (ﷺ) said: “Whoever among you sees the new crescent of Dhul-Hijjah and wants to offer a sacrifice, let him not take anything from his hair or nails.”
SahihSahihSahihBook 26 · Hadith 31
سنن ابن ماجه
It was narrated from Umm Salamah that the Messenger of Allah (ﷺ) said: “Whoever among you sees the new crescent of Dhul-Hijjah and wants to offer a sacrifice, let him not take anything from his hair or nails.”