Affan bin Muslim عفان بن مسلم بن عبد الله الصفار · The Book of Purification and its Sunnah

"Whoever applies kohl to his eyes, let him add it an odd number of times. Whoever does that has done well, and whoever does not, there is no harm in it. And whoever dislodges (a particle of food from between the teeth) by dislodging it with his tongue, let him swallow it."

A man asked him about having a bath to cleanse oneself from sexual impurity. He said to pour water three times. The man said: "But I have a lot of hair." He said: "The Messenger of Allah had more hair than you and he was cleaner."

The Prophet said to her, when she was menstruating: "Undo your braids and bathe." (Sahih)(A narrator) 'Ali said in his narration: "Undo your head."