(1) باب النَّهْىِ عَنْ كَثِيرٍ، مِنَ الإِرْفَاهِ
Narrated Abdullah ibn Mughaffal:
The Messenger of Allah (ﷺ) forbade combing the hair except every second day. (IT)
Reference (IT): Sunan Abi Dawud 4159 (IT)
In-book reference (IT): Book 35, Hadith 1 (IT)
English translation (IT): Book 34, Hadith 4147 (IT)