The Prophet ﷺ said, "The Jews and the Christians do not dye their hair, so differ from them."
حدثنا عبد الأعلى عن معمر عن الزهري عن أبي سلمة
عن النبي ﷺ قال اليهود والنصارى لا يصبغون فخالفوا عليهم
Its isnad is sahih. It is a repetition of 7272, and we have already noted that there.