(33) بَاب تَحْرِيمِ فِعْلِ الْوَاصِلَةِ وَالْمُسْتَوْصِلَةِ وَالْوَاشِمَةِ وَالْمُسْتَوْشِمَةِ وَالنَّامِصَةِ وَالْمُتَنَمِّصَةِ وَالْمُتَفَلِّجَاتِ وَالْمُغَيِّرَاتِ خَلْقِ اللَّهِ
Asma', daughter of Abu Bakr, reported that a woman came to Allah's Apostle (ﷺ) and said:
I have married my daughter (whose) hair of head have fallen. Her spouse likes them (the long hair). Allah's Messenger (may add false hair to her head? He forbade her to do this.
Reference: Sahih Muslim 2122 c
In-book reference: Book 37, Hadith 177
USC-MSA web (English) reference(deprecated numbering scheme): Book 24, Hadith 5297