“I saw the Messenger of Allah (ﷺ), and this part of his hair was white” – meaning the tuft of hair between the lower lip and the chin.
Sunan Ibn Majah Book 32, Hadith 79
← Previous Hadith “The Prophet (ﷺ) passed by a man who had dyed his hair with henna and said: ‘How handsome this is!’ Then he passed by another who had dyed his hair with henna and Katam, and said: ‘This one is more handsome than that one.’ Then he passed by another who had dyed his hair yellow and said: ‘This one is more handsome than all of them.’”

Sunan Ibn Majah Book 32, Hadith 78 Next Hadith → “Anas bin Malik was asked: ‘Did the Messenger of Allah (ﷺ) dye his hair?’ He said: ‘He did not have any white hair apart from approximately seventeen or twenty hairs at the front of his beard.’”

Sunan Ibn Majah Book 32, Hadith 80