Waki' bin al-Jarrah وكيع بن الجراح · Combing the Hair (Kitab Al-Tarajjul)

A man came to the Messenger of Allah (ﷺ) and he had the mark of yellowness (of saffron). The Prophet (peace be upon him rarely mentioned a thing which he disliked before a man. When he went away, he said: Would that you tell this man that he should wash this off him.