بُلُوغُ الْمَرَامِ
Bulugh al-Maram 1108
Marriage
وَعَنْهَا; { أَنَّ اِمْرَأَةً قَالَتْ: يَا رَسُولَ اَللَّهِ! إِنَّ اِبْنَتِي مَاتَ عَنْهَا زَوْجُهَا, وَقَدْ اِشْتَكَتْ عَيْنَهَا, أَفَنَكْحُلُهَا? قَالَ: لَا . } مُتَّفَقٌ عَلَيْهِ [1] .
Narrated [Umm Salamah (RA)]: A woman said: "O Allah's Messenger (ﷺ) , my daughter's husband died and her eye is troubling her, so may we apply Kuhl (antimony) to it?" He replied, "No." [Agreed upon].
Sunnah.com reference: Book 8, Hadith 172