Musnad Ahmad 25:381

'Ali narrated to us, he said: 'Abdullah bin 'Uthman bin Khuthaym informed us, from Sa'id bin Jubayr, from Ibn 'Abbas, who said: The Messenger of Allah (ﷺ) said: "Wear white from your garments, for they are among the best of your garments, and shroud your dead in them. And indeed, among the best of your kohl is antimony (ithmid); it clears the vision and makes the hair grow."