Sunan Ibn Majah 633
سنن ابن ماجه#633SahihIt was narrated that 'Aishah said:"The Prophet used to bring his head close to me when I was menstruaring and he was in I'tikaf (seclusion in a mosques for the purpose of worship), and I would wash it and comb his hair
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih - Bukhari And Muslim
In-book reference: 1:367