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 Sahih Muslim 1977 f
Arabic hadith text
وَحَدَّثَنَا أَحْمَدُ بْنُ عَبْدِ اللَّهِ بْنِ الْحَكَمِ الْهَاشِمِيُّ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ،
عَنْ مَالِكِ بْنِ أَنَسٍ، عَنْ عُمَرَ، أَوْ عَمْرِو بْنِ مُسْلِمٍ بِهَذَا الإِسْنَادِ نَحْوَهُ
Translation
This hadith has been narrated on the authority of 'Amr b. Muslim with the same chain of transmitters.