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'. (DE)
English reference (DE): Book 7, Hadith 50 (DE)
Arabic reference (DE): Book 7, Hadith 51 (DE)