[Machine] The Messenger of Allah ﷺ did not have enough grey hair to dye it, but Abu Bakr used to dye his head and his beard until his hair turned dark with henna and katam.
لَمْ يَبْلُغْ رَسُولَ اللهِ ﷺ مِنَ الشَّيْبِ مَا يَخْضِبُهُ وَلَكِنَّ أَبَا بَكْرٍ خَضَبَ رَأْسَهُ وَلِحْيَتَهُ حَتَّى يَقْنُوَ شَعْرُهُ بِالْحِنَّاءِ وَالْكَتَمِ