مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2046
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn ‘Abbas said: The Messenger of Allah (ﷺ) said: "The best of your kohl is antimony: it makes the vision clear and causes hair to grow.”
Musnad Ahmad 2047lts isnad is qawi]