“Anas bin Malik was asked: ‘Did the Messenger of Allah ﷺ dye his hair?’ He said: ‘He did not have any white hair apart from approximately seventeen or twenty hairs at the front of his beard.’”
سُئِلَ أَنَسُ بْنُ مَالِكٍ أَخَضَبَ رَسُولُ اللَّهِ ﷺ قَالَ إِنَّهُ لَمْ يَرَ مِنَ الشَّيْبِ إِلاَّ نَحْوَ سَبْعَةَ عَشَرَ أَوْ عِشْرِينَ شَعَرَةً فِي مُقَدَّمِ لِحْيَتِهِ