All perfect praise be to Allah, The Lord of the Worlds. I testify that there is none worthy of worship except Allah, and that Muhammad is His slave and Messenger.
Curving or curling the eyelashes has the same ruling as kohl and beautifying oneself with it and showing it to people is a matter of difference of opinion among the scholars.
The view we adopt here in Islamweb is that the woman’s face is an ‘Awrah that she must covered when going out of the house, so it is not permissible for a woman to reveal her face, especially when wearing adornments on it. A Muslim woman who is devoted to her religion does not do what draws the attention of men to her and does not deliberately display any of her beauty.
Allah knows best.