She used to comb the hair of the Messenger of Allah ﷺ while she was menstruating.
حدثنا وكيع حدثنا هشام بن عروة عن أبيه
أنها كانت ترجل شعر رسول الله ﷺ وهي حائض
No references are available.
Its isnad is sahih. It was mentioned previously at 24564.