In accordance with the American Academy of Ophthalmology, When the eyelashes get singed though the hair follicles remain intact, the lashes will often grow back in 6 months. Resting period – The entirely grown eyelash guards the eye for four to 9 months then In a natural way falls out. https://bouchesocial.com/story20577572/do-eyelashes-grow-back-fundamentals-explained