Hadith 4423
Mishkat al-Masabih
Clothing · Combing the Hair - Section 1
Arabic
وَعَنْ أَبِي هُرَيْرَةَ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «إِنَّ الْيَهُودَ وَالنَّصَارَى لَا يَصبِغون فخالفوهم»
English translation
Abu Huraira reported the Prophet (ﷺ) as saying, “Jews and Christians do not dye [their beards], so act differently from them.” (Bukhari and Muslim.)