´Narrated Umm Salamah:` That the Prophet (ﷺ) said: "Whoever sees the crescent of Dhul-Hijjah, and wants to slaughter a sacrifice he should not take from his hair nor from his nails."
Hadith Referenceسنن ترمذي / كتاب الأضاحى عن رسول الله صلى الله عليه وسلم / 1523
And Shu’bah narrated this hadith from ‘Ikrimah bin ‘Ammar, just as Yahya bin Sa‘id narrated it. It was narrated to us by Ahmad bin Hakam al-Basri, who said: It was narrated to us by Muhammad bin Bashshar, who said: It was narrated to us by Shu’bah, and Shu’bah narrated it from ‘Ikrimah bin ‘Ammar in the same way. And ‘Abdur-Rahman bin Mahdi narrated it from ‘Ikrimah bin ‘Ammar, just as Ibn al-Mubarak narrated it. In this narration, it is mentioned that upon the third sneeze, the Prophet said: “You have caught a cold.” It was narrated to me by Ishaq bin Mansur, who said: It was narrated to me by ‘Abdur-Rahman bin Mahdi .
Hadith Referenceسنن ترمذي / كتاب الأدب عن رسول الله صلى الله عليه وسلم / 2743