"The Prophet used to wear Sibtiyyah sandals and dye his beard yellow with Wars and saffron." And Ibn 'Umar used to do that.
Sunan an-Nasa'i Book 48, Hadith 205
← Previous Hadith "I saw Ibn 'Umar dyeing his beard yellow and I asked him about that. 'He said: "I saw the Prophet dye his beard yellow."

Sunan an-Nasa'i Book 48, Hadith 204 Next Hadith → "I heard Mu'awiyah say, when he was on the Minbar in Al-Madinah, and he brought out a hairpiece from his sleeve: 'O people of Al-Madinah, where are your knowledgeable ones? I heard the Messenger of Allah forbid such things as this, and he said: "The Children of Israel were destroyed when their women started to wear things like this."

Sunan an-Nasa'i Book 48, Hadith 206