Sunan an-Nasa'i 5049
سنن النسائي#5049Da'ifأَخْبَرَنَا مُحَمَّدُ بْنُ مُوسَى الْحَرَشِيُّ، قَالَ حَدَّثَنَا أَبُو دَاوُدَ، قَالَ حَدَّثَنَا هَمَّامٌ، عَنْ قَتَادَةَ، عَنْ خِلاَسٍ، عَنْ عَلِيٍّ، نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم أَنْ تَحْلِقَ الْمَرْأَةُ رَأْسَهَا .
It was narrated from 'Ali:"The Messenger of Allah [SAW] forbade women to shave their heads
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahDaif
Al-AlbaniDaif
Zubair Ali ZaiHasan
In-book reference: 48:10