According to the American Academy of Ophthalmology, if the eyelashes get singed but the hair follicles are still intact, the lashes will usually grow back in 6 weeks. However, if the hair follicles were also damaged, the eyelashes might not grow back.

Do eyelashes grow back if pulled out from root?

Eyelashes usually grow back after they're plucked. But new eyelashes need to be left alone for a while in order to complete the growth cycle. That said, plucking eyelashes for cosmetic reasons isn't nearly as common as plucking eyebrows.

Why have my eyelashes snapped off?

Another culprit of eyelash loss is an eyelash curler. Improper and frequent use can damage and break eyelashes. Eyelash weakening can also result from eyelash extensions. Frequently, after such procedure eyelashes require regeneration and growth stimulation.