Mascara is a tube of black liquid that coats your lashes and makes them look longer and thicker. It's one of the most important parts of your eye makeup routine. If you wear contacts, you know that it can be hard to find mascara that doesn't irritate your eyes. The best contact lens mascaras are those that are non-irritating, easy to apply, and won't smudge or transfer throughout the day. Here are some great options for contact lens-friendly mascaras.