صحيح مسلم
Sahih Muslim
كتاب الأضاحي
The Book of Sacrifices
باب نَهْيِ مَنْ دَخَلَ عَلَيْهِ عَشْرُ ذِي الْحِجَّةِ وَهُوَ مُرِيدُ التَّضْحِيَةِ أَنْ يَأْخُذَ مِنْ شَعْرِهِ أَوْ أَظْفَارِهِ شَيْئًا.
Chapter: When the first ten days of Dhul-Hijjah begin, it is forbidden for the one who wants to offer a sacrifice to remove anything from his hair, nails or skin
Hadith 1977
This hadith is listed as number 5118 in Maktaba Shamila
وحَدَّثَنَاه إِسْحَاقُ بْنُ إِبْرَاهِيم ، أَخْبَرَنَا سُفْيَانُ ، حَدَّثَنِي عَبْدُ الرَّحْمَنِ بْنُ حُمَيْدِ بْنِ عَبْدِ الرَّحْمَنِ بْنِ عَوْفٍ ، عَنْ سَعِيدِ بْنِ الْمُسَيِّبِ ، عَنْ أُمِّ سَلَمَةَ تَرْفَعُهُ ، قَالَ : " إِذَا دَخَلَ الْعَشْرُ وَعِنْدَهُ أُضْحِيَّةٌ يُرِيدُ أَنْ يُضَحِّيَ ، فَلَا يَأْخُذَنَّ شَعْرًا وَلَا يَقْلِمَنَّ ظُفُرًا " .
Umm Salamah reported Allah's Apostle (ﷺ) as saying: If anyone of you intends to offer sacrifice he should not get his hair cut or nails trimmed.
