Arabic Text
وَحَدَّثَنَاهُ إِسْحَاقُ بْنُ إِبْرَاهِيمَ، أَخْبَرَنَا سُفْيَانُ، حَدَّثَنِي عَبْدُ الرَّحْمَنِ بْنُ حُمَيْدِ بْنِ، عَبْدِ الرَّحْمَنِ بْنِ عَوْفٍ عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، عَنْ أُمِّ سَلَمَةَ، تَرْفَعُهُ قَالَ " إِذَا دَخَلَ الْعَشْرُ وَعِنْدَهُ أُضْحِيَّةٌ يُرِيدُ أَنْ يُضَحِّيَ فَلاَ يَأْخُذَنَّ شَعْرًا وَلاَ يَقْلِمَنَّ ظُفُرًا " .
English Translation
Umm Salama 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.
This hadith is from Sahih Muslim, one of the most rigorously authenticated collections in Islamic scholarship. No editorial opinion is added.