After cutting your eyelashes, they can grow back if the follicles have not been damaged. Eyelashes are hairs that grow on the edge of the upper and lower eyelids and serve as a windbreak, waterproof, dustproof, foreign object barrier, and eye protection. Generally, cut eyelashes will continue to grow, but in the process of eyelash growth, due to the length or speed of growth varies, may form the eye and the surrounding discomfort, there will be eye friction feeling or foreign body sensation. If the eyelash follicles are damaged, the eyelashes will not grow back. For example, in patients with ulcerative blepharitis, the severe inflammation can damage the eyelash follicles, causing the eyelashes to fall out, and the eyelashes can no longer grow, and the patient may experience bald eyelashes. It is recommended that patients with abnormal eyelash loss seek prompt medical attention to evaluate their condition and follow the doctor’s instructions for treatment.