Al-Kāfi - Volume 6 > Al-Kohl (The Eye Powder): Antimony
Hadith #1

عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ وَ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ سُلَيْمٍ الْفَرَّاءِ عَنْ رَجُلٍ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ كَانَ رَسُولُ اللَّهِ ( صلى الله عليه وآله ) يَكْتَحِلُ بِالْإِثْمِدِ إِذَا أَوَى إِلَى فِرَاشِهِ وَتْراً وَتْراً .

1. Ali ibn Ibrahim has narrated from his father from and Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from ibn abu ‘Umayr from Salim al-Farra’ from a man who has said the following: “Abu ‘Abd Allah, ‘Alayhi al-Salam, has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, applied al-Athmad (antimony) to his eyes before going to bed, once in each eye. 5 ”