You notice your child itching their head incessantly, so you take a closer look. When you do, you spot them: creepy, crawly, tough-to-get-rid-of lice scurrying around in your child's hair.

They drift in ocean currents and can become trapped in your hair or between your skin ... sting when pressed against the skin. Sea lice rashes may look different depending on your skin tone.

or even in your hair. About 4-24 hours later, you start to itch and sting. And you get a red rash that looks like acne and lasts about a week. Here's how to avoid sea lice: Wear just your bathing ...