The Sufficient (Vol 6) · Hadith 2171 (#Ḥadīth #6)
Chapter 41 | Al-Kohl (The Eye Powder): Antimony
عَنْهُ عَنْ أَبِيهِ عَنْ خَلَفِ بْنِ حَمَّادٍ عَمَّنْ ذَكَرَهُ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ الْكُحْلُ يُنْبِتُ الشَّعْرَ وَ يُحِدُّ الْبَصَرَ وَ يُعِينُ عَلَى طُولِ السُّجُودِ .
6. It is narrated from the narrator of the previous Hadith from his father from Khalaf ibn Hammad from those whom he has mentioned who has said the following: “Abu ‘Abd Allah , has said, ‘Applying eye powder grows hairs, sharpens eyesight and helps to perform longer Sujud (prostrations).”’
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).