Highlighter is a beauty product that's been around for decades. It's a usually creamy liquid that you apply to your face to give it a glow, and it can be used in different ways. You can use it as an eye shadow, or you can even use it as a face powder. It's one of those products that you can wear any time of the day. A highlighter can be used to make your skin look brighter and more alive, and it's a great way to add a bit of sparkle to your look.