(7) باب التَّرَجُّلِ غِبًّا
It was narrated that Al-Hasan and Muhammad said:
"Combing one's hair (should be done) every other day." (ES)
Reference (ES): Sunan an-Nasa'i 5057 (ES)
In-book reference (ES): Book 48, Hadith 18 (ES)
English translation (ES): Vol. 6, Book 48, Hadith 5060 (ES)