According to the American Academy of Ophthalmology, if the eyelashes get singed though the hair follicles are still intact, the lashes will often grow back in six weeks. Certainly, eyelashes grow back. Just like the hair in your head, they undergo growth cycles and shedding Each one to two months. https://bookmarkja.com/story20576357/little-known-facts-about-eyelashes-grow-back