Arabic Text
حَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ ثَابِتٍ، قَالَ سُئِلَ أَنَسٌ عَنْ خِضَابِ النَّبِيِّ، صلى الله عليه وسلم فَقَالَ إِنَّهُ لَمْ يَبْلُغْ مَا يَخْضِبُ، لَوْ شِئْتُ أَنْ أَعُدَّ شَمَطَاتِهِ فِي لِحْيَتِهِ.
English Translation
Narrated Thabit: Anas was asked whether the Prophet used a a hair dye or not. Anas replied, "The Prophet had not enough grey hair to dye. I could even count the white grey hairs oil his beard ill would."
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.