All products featured on Allure are independently selected by Allure editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Alicia Silverstone ...

Earwax, boogers, toenail fungus — the body can be pretty gross sometimes. Don’t forget to add “belly-button gunk” to that list. And when you see something in there, you probably want to get it out.

Your belly button might seem like nothing more than a remnant from your time in the womb, but this small area can actually provide valuable clues about your digestive health and overall wellbeing.