English Translation
Narrated 'Aisha: (the wife of the Prophet) Allah's Apostle used to let his head in (the house) while he was in the mosque and I would comb and oil his hair. When in Itikaf he used not to enter the house except for a need.
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.