4. A number of our people have narrated from Ahmad ibn abu ‘Abd Allah from his father from Fadalah ibn Ayyub from Hariz from a Mawla’ of Ali ibn al-Husayn, ‘Alayhim al-Salam, who has said the following: “I once heard Ali ibn al-Husayn, ‘Alayhim al-Salam, saying that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, has said, ‘Apply hair dye with henna, it increases eyesight, grows hair, sweetens the smell and comforts the wife.’”