Hadith
أَخْبَرَنِي مُحَمَّدُ بْنُ إِسْمَاعِيلَ بْنِ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا أَبُو النَّضْرِ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنِ امْرَأَتِهِ، فَاطِمَةَ عَنْ أَسْمَاءَ بِنْتِ أَبِي بَكْرٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم لَعَنَ الْوَاصِلَةَ وَالْمُسْتَوْصِلَةَ .
It was narrated from Hisham bin 'Urwah, from his wife Fatimah, from Asma' bint Abi Bakr, that:The Messenger of Allah [SAW] cursed the woman who affixes hair extensions and the woman who has that done
Sahih · Abu Ghuddah
Sunan an-Nasa'i 5094 ·Book 48, Hadith 55·Also available on sunnah.com·