It was narrated from Abu Sa'eed that:
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." (ES)
English reference (ES): Vol. 1, Book 1, Hadith 576 (ES)
Arabic reference (ES): Book 1, Hadith 619 (ES)