Combing the Hair - Section 3 Mishkat al-Masabih 4485
Arabic hadith text
وَعَنْ عَلِيٍّ قَالَ: نَهَى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَنْ تَحْلِقَ الْمَرْأَةُ رَأْسَهَا. رَوَاهُ النَّسَائِيُّ
Translation
‘Ali said God's messenger forbade that a woman should shave her head. Nasa'i transmitted it.