When any one of you intending to sacrifice the animal enters in the month (of Dhu'l-Hijja) he should not get his hair or nails touched (cut). It was said to Sufyan that some of the (scholars) did not deem this hadith to be Maffu'. He said: But I deem it as Marfu' (i. e. chain of narration traceable right up to the Holy Prophet).  

أَنَّ النَّبِيَّ ﷺ قَالَ إِذَا دَخَلَتِ الْعَشْرُ وَأَرَادَ أَحَدُكُمْ أَنْ يُضَحِّيَ فَلاَ يَمَسَّ مِنْ شَعَرِهِ وَبَشَرِهِ شَيْئًا قِيلَ لِسُفْيَانَ فَإِنَّ بَعْضَهُمْ لاَ يَرْفَعُهُ قَالَ لَكِنِّي أَرْفَعُهُ  

"when the (first) ten (days of Dhul-Jijjah) begin, and one of you wants to offer a sacrifice, let him not remove anything from his hair or skin."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ إِذَا دَخَلَتِ الْعَشْرُ فَأَرَادَ أَحَدُكُمْ أَنْ يُضَحِّيَ فَلاَ يَمَسَّ مِنْ شَعْرِهِ وَلاَ مِنْ بَشَرِهِ شَيْئًا  

“When the ten days (of Dhul-Hijjah) begin, and one of you wants to offer a sacrifice, let him not remove anything from his hair or skin.”  

أَنَّ النَّبِيَّ ﷺ قَالَ إِذَا دَخَلَ الْعَشْرُ وَأَرَادَ أَحَدُكُمْ أَنْ يُضَحِّيَ فَلاَ يَمَسَّ مِنْ شَعَرِهِ وَلاَ بَشَرِهِ شَيْئًا  

"when the (first) ten (days of Dhul-Jijjah) begin, and one of you wants to offer a sacrifice, let him not remove anything from his hair or skin." (Using translation from Nasāʾī 4364)  

أَنَّ النَّبِيَّ ﷺ قَالَ «إِذَا دَخَلَتِ الْعَشْرُ فَأَرَادَ أَحَدُكُمْ أَنْ يُضَحِّيَ فَلَا يَمَسَّ مِنْ شَعْرِهِ وَلَا مِنْ بَشَرِهِ شَيْئًا»