مسند أحمد

Nubaih bin Wahb narrated that the eye of `Umar bin Ubaidullah became inflamed when he was in ihram, and he wanted to apply kohl to it, but Aban bin `Uthman (رضي الله عنه) forbade him to do that and told him to apply aloes to it. He said that `Uthman (رضي الله عنه) narrated from the Messenger of Allah (ﷺ) that he had done that.