It doesn't smudge( Its the water resistant version), but I don't know about it being water proof. It removes very easily though, which is a huge plus for me! It's a fairly dry formula, so make sure to apply it quickly!
This is what the bristles look like.
Before. I have no makeup on in this photo.
I have only Lashblast length on in this photo on my upper lashes. I know, I know, I have massive pupils. You can see the camera in them!
It is a very subtle mascara, but it's exactly what I was looking for! Have a charming day!