Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:19959[Chain 1] ʿAlī b. ʿAbd al-ʿAzīz > al-Qaʿnabī [Chain 2] Bakr b. Sahl > ʿAbdullāh b. Yūsuf > Mālik > ʿAmr b. Muslim al-Jundaʿī > Saʿīd b. al-Musayyib > Um Salamah

[Machine] Al-Qa'nabi narrated that Bakr ibn Sahl narrated from Abdullah ibn Yusuf, who said that Malik reported from Amr ibn Muslim al-Jundai, who reported from Sa'id ibn al-Musayyib, who reported from Umm Salamah, who said that the Messenger of Allah ﷺ said, "When the ten days of Dhul-Hijjah begin, whoever intends to offer a sacrifice should not cut his hair or trim his nails."  

الطبراني:١٩٩٥٩حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ الْعَزِيزِ

ثنا الْقَعْنَبِيُّ ح وَحَدَّثَنَا بَكْرُ بْنُ سَهْلٍ ثنا عَبْدُ اللهِ بْنُ يُوسُفَ قَالَا ثنا مَالِكٌ عَنْ عَمْرِو بْنِ مُسْلِمٍ الْجُنْدَعِيِّ عَنْ سَعِيدِ بْنِ الْمُسَيِّبِ عَنْ أُمِّ سَلَمَةَ قَالَتْ قَالَ رَسُولُ اللهِ ﷺ «إِذَا دَخَلَ الْعَشْرُ فَمَنْ أَرَادَ أَنْ يُضَحِّيَ فَلَا يَأْخُذْ مِنْ شَعْرِهِ وَلَا مِنْ أَظْفَارِهِ»