Ithmid (antimony) Kohl is special because unlike other types of Kohl it carries enormous health benefits for the eyes. As an added bonus, Ithmid (antimony) Kohl also beautifies the eyes in a unique and different way.
Ithmid (antimony) kohl has been used for over 15 centuries to enhance eyesight and maintain overall eye health. Even before the dawn of Islam and at the time of Jahilyah, Ithmid (antimony) kohl was famous for its unique benefits.
Other types of kohl (stuff applied to eyes and its hairs) only carry beauty benefits and ,contrary to promoting health as Ithmid (antimony) kohl does, often contain harmful substances.
What makes Ithmid (antimony) kohl truly special is that it is the only type of kohl the prophet صلي الله عليه وسلم has praised and affirmed its benefits.