No, vaseline won't make eyelashes fall out. On the contrary, properly apply vaseline can help eyelashes grow. Compared with mascara that can make your eyelash look longer, vaseline can make your eyelash grow longer naturally. In fact, Vaseline can moisturizing for lashes that are dry and brittle. If you use it properly, it can helps strengthen your eyelashes and when the old ones fall out. If you want to make your eyelashes grow longer thicker and shinier, vaseline is really a good choice.