To find out the purity of the black eye kohl, bring the kohl close to the magnet. If it is attracted to it, it will be unoriginal. And the stronger the force of attraction, the less quality and adulterated kohl will be. As for the original kohl, it is not attracted by a magnet because of its lead content that is mixed with kohl to deceive.
1. Ibn Abbas , may Allah be pleased Anhmaal: The Messenger of Allah , peace be upon him: (The best Okhalkm Alatmd Galloway sight and grow hair) Narrated by Abu Dawood (3878) and women (5113) and Ibn Maja (3497), and horses in "Saheeh Abi Dawood ".
2. On the authority of Ibn Abbas, may God be pleased with them both, that the Prophet, may God’s prayers and peace be upon him, said: (Apply with Thimd for it is glamorous, and it is authenticated by Al-Albani, 57).
3. On the authority of Ali bin Abi Talib, may God be pleased with him, that the Messenger of God, may God’s prayers and peace be upon him, said: (You have to use antimony, for it is a source of hair, gilded for scattering, filtered for al-Iraqi and al-Iraqi by al-Mubarak, No. 109) Hajar, see “al-Targheeb wa’l-Tarheeb” (3/89) and Fath al-Bari (10/157).
The meaning of (the sight becomes clear) means: it improves the sight and increases the light of the eye.
(And grow hair) What is meant by hair here: the fringe, which is the one that grows on the lips of the eye.
See ‘Awn al-Ma’bood (11/75).
The scholars have stated that it is mustahabb to use kohl, especially antimony.
Ibn al-Qayyim, may God have mercy on him, said about the benefits of kohl in general:
With regard to kohl, it preserves the health of the eye, strengthens the visible light, clears it, softens bad matter, extracts it, and adorns it in some of its types, and it has more virtues when sleeping. Because it includes kohl, and its silence as a consequence of the movement that is harmful to it, and the service of nature to it, and it has a special characteristic.
Zaad al-Ma’ad (4/257).