Treat your eyes with kuhl (antimony/collyrium), for it nourishes the eyes and eyelashes.
Is the above narration reliable?
This Hadith is recorded by Imams: Abu Dawud, Tirmidhi and Hakim (rahimahumullah).
Imams Tirmidhi and Hakim (rahimahumallah) have declared it authentic (sahih).
(Sunan Abi Dawud, Hadith: 3874, Sunan Tirmidhi, Hadith: 1757, and Mustadrak Hakim, vol. 4 pg. 207)
Note: The kuhl that is mentioned in this Hadith is: ithmid, not just any type.
And Allah Ta’ala Knows best,
Answered by: Moulana Muhammad Abasoomar
Checked by: Moulana Haroon Abasoomar