Ibn Jurayj ابن جريج · Combing the Hair (Kitab Al-Tarajjul)

I came to my family at night (after a journey) with my hands chapped and they perfumed me with saffron. In the morning I went to the Prophet (ﷺ) and gave him a greeting, but he did not respond to me nor did he welcome me. He said: Go away and wash this off yourself. I then went away and washed it off me. I came to him but there remained a spot of it on me. I give him…

The Prophet (ﷺ) as saying: Jews and Christians do not dye (their beards), so act differently from them.