عَنِ ابْنِ عَبَّاسٍ رَضِيَ اللَّهُ عَنْهُمَا قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ خَيْرُ أَكْحَالِكُمُ الْإِثْمِدُ زَادَ فِي رِوَايَةٍ عِنْدَ النَّوْمِ يَجْلُو الْبَصَرَ وَيُنْبِتُ الشَّعْرَ
Sayyiduna Ibn Abbas (may Allah be pleased with them both) narrates that the Noble Prophet (peace and blessings be upon him) said: "The best kohl among you is antimony (ithmid); use it before sleeping, it brightens the eyesight and grows (eyelash) hair."