Shama-il Tirmidhi
Shama-il Tirmidhi Chapter 007, Hadith Number 003 (050).
Hadith Section/Book: Shama-il Tirmidhi Chapter 07. Kuhl Of Rasoolullah
Jaabir bin 'Abdullah Radiyallahu 'Anhu says: "Rasulullah Sallallahu 'Alayhi Wasallam said: 'Use the kuhl made from ithmid for the eyes. It brightens the vision and strengthens the growth of the eye lashes'.