Following is a transcript of your video. Why do football players wear black stripes under their eyes? It's a phenomenon called "eye black." Natural skin absorbs some light, but reflects the rest.

Dark circles under the eyes usually appear purple, blue, brown, or black, similar to a bruise. While there are several reasons as to why they appear, oftentimes, it’s associated with being tired.

Why do football players wear black stripes under their eyes? It's a phenomenon called "eye black." Natural skin absorbs some light, but reflects the rest. This reflection can cause glare and ...

and then move on to why Barkley has eye black under only one of his eyes (especially on a day with some sun). Unfortunately, there is no unique answer — it’s all about “style,” according ...