l asked Anas bin Malik about the hair of Messenger of Allah ﷺ. He said, "The hair of Messenger of Allah ﷺ was neither much straight, nor much curly, and it used to hang down till between his shoulders and his earlobes.  

عَنْ شَعَرِ رَسُولِ اللَّهِ ﷺ فَقَالَ كَانَ شَعَرُ رَسُولِ اللَّهِ ﷺ رَجِلاً لَيْسَ بِالسَّبِطِ وَلاَ الْجَعْدِ بَيْنَ أُذُنَيْهِ وَعَاتِقِهِ  

The hair of the Prophet ﷺ used to hang down up to his shoulders.  

أَنَّ النَّبِيَّ ﷺ كَانَ يَضْرِبُ شَعَرُهُ مَنْكِبَيْهِ