Sahih al-Bukhari 296
Sahih al-Bukhari · Book 6: Menstrual Periods · The washing of the husband's head and the combing of his hair by a menstruating wife
Narrated `Urwa:
حَدَّثَنَا إِبْرَاهِيمُ بْنُ مُوسَى ، قَالَ أَخْبَرَنَا هِشَامُ بْنُ يُوسُفَ ، أَنَّ ابْنَ جُرَيْجٍ ، أَخْبَرَهُمْ قَالَ أَخْبَرَنِي هِشَامٌ ، عَنْ عُرْوَةَ ، أَنَّهُ سُئِلَ أَتَخْدُمُنِي الْحَائِضُ أَوْ تَدْنُو مِنِّي الْمَرْأَةُ وَهْىَ جُنُبٌ فَقَالَ عُرْوَةُ كُلُّ ذَلِكَ عَلَىَّ هَيِّنٌ، وَكُلُّ ذَلِكَ تَخْدُمُنِي، وَلَيْسَ عَلَى أَحَدٍ فِي ذَلِكَ بَأْسٌ، أَخْبَرَتْنِي عَائِشَةُ أَنَّهَا كَانَتْ تُرَجِّلُ ـ تَعْنِي ـ رَأْسَ رَسُولِ اللَّهِ صلى الله عليه وسلم وَهِيَ حَائِضٌ، وَرَسُولُ اللَّهِ صلى الله عليه وسلم حِينَئِذٍ مُجَاوِرٌ فِي الْمَسْجِدِ، يُدْنِي لَهَا رَأْسَهُ وَهْىَ فِي حُجْرَتِهَا، فَتُرَجِّلُهُ وَهْىَ حَائِضٌ.
A person asked me, "Can a woman in menses serve me? And can a Junub woman come close to me?" I replied, "All this is easy for me. All of them can serve me, and there is no harm for any other person to do the same. `Aisha told me that she used to comb the hair of Allah's Messenger (ﷺ) while she was in her menses, and he was in I`tikaf (in the mosque). He would bring his head near her in her room and she would comb his hair, while she used to be in her menses."