Man Lā Yaḥḍuruh al-Faqīh #1083"There is no harm for a Muhrim to undergo cupping (hijamah), provided he does not shave or pluck hair."
Man Lā Yaḥḍuruh al-Faqīh #1116Hadith.2684 - Al-Halabi asked him about a person in the state of ihram who covers their head unintentionally or while sleeping.
Imam (as)...