CHAPTER: PERTAINING TO THE HAIR OF THE HOLY PROPHET (SALLALLAAHU ALAYHI WA SALLAM), HIS FEATURES
No. 5768
Ibn Abbas reported that the People of the Book used to let their hair fall (on their foreheads) and the polytheists used to part them on their heads, and Allaah's Messenger (sallAllaahu alayhi wa sallam) liked to conform his behaviour to the People of the Book in matters in which he received no command (from God) ; so Allaah's Messenger (sallAllaahu alayhi wa sallam) let fall his hair upon his forehead, and then he began to part it after this.
No. 5769
This hadith has been narrated on the authority of Ibn Shihab with the same chain of transmitters.