I use a mascara topcoat from time to time, when the non-waterproof mascara I’m using isn’t as water resistant or long wearing as I need it for the day. Why don’t I just wear a waterproof mascara to begin with, you say? Let me tell you a couple of reasons:
1) Waterproof mascaras are too harsh for me to wear daily – removing it causes my lashes to fall out more
2) Waterproof mascaras are hydrophobic, meaning it does not dissolve in water, however, by that very nature, it has oleophillic properties, meaning it dissolves in oil. What happens when someone with oily eyelids wears a waterproof mascara? Smudge city.
So my solution has been to add a mascara topcoat whenever the occasion calls for it. Here’s a cross section of how wearing a mascara topcoat solves the above 2 issues I have regarding just using waterproof mascara: