N.G.
They have eyelash conditioners that go on with a brush just like regular mascara. Mascara can dry your lashes and literally cause them to break off, even if you only wear it a couple times a week. Use the conditioner before the mascara.
Other than that, could be a diet issue. If you're not eating enough protein or drinking enough water, your hair, even your eyelashes, can be very negatively affected. Try supplementing with some protein shakes or bars for a few weeks and see if you notice a difference.
Sally Beauty Supply, Sephora, or Ulta can be big helps (depending on the person you end up getting) when it comes to situations like that too.