Sunan Abi Dawud Book 35, Hadith 50

I and my father came to the Prophet (ﷺ). He said to a man or to my father: Who is this? He replied: He is my son. He said: Do not commit a crime on him. He had stained his beard with henna.

Previous Hadith

My father said to him (the Prophet): Show me what is on your back, for I am a physician. He (the Prophet) said: You are only a soother. Its physician is He Who has created it.

Sunan Abi Dawud Book 35, Hadith 49
Next Hadith

He did not dye his hair, but Abu Bakr and 'Umar dyed their hair.

Sunan Abi Dawud Book 35, Hadith 51