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