Spotting a wiry silver hair can be a rude awakening for those of us who aren't George Clooney. Especially at the tender age of 23. But if you've spotted a gray strand before your 30th birthday, don't panic. (Or pluck! ) HuffPost spoke to a few experts to find out why some men go gray early and if there's anything you can do to slow it down.

1. Your hair turns gray when color-producing cells stop producing pigment.