[Machine] There was no gray hair in the Prophet's ﷺ head or beard, except for a few strands in the parting of his head. It became apparent when he would oil his beard, and it would not be noticeable when he left it.
«مَا كَانَ فِي رَأْسِ النَّبِيِّ ﷺ وَلِحْيَتِهِ مِنَ الشَّيْبِ إِلَّا شَعَرَاتٍ فِي مَفْرِقِ رَأْسِهِ إِذَا سَرَّحَ لِحْيَتَهُ ودَهَنَ تَبَيَّنَ وَإِذَا تَرَكَهَا لَمْ يَتَبَيَّنْ»