It might be nearly impossible, but it's important to ignore a zit and let it heal on its own. But there is one big exception: Ingrown hair, the painful cousin to the harmless, yet pesky pimple.

Discover why private ingrown hairs pose more than cosmetic concerns, including infection risks, and learn 6 effective solutions from dermatologists.

As the injury heals, the swelling typically goes away. Ingrown hairs in the armpits occur when your hair curls back into a ...

After a person plucks or shaves an ingrown hair, the hair grows back at an angle that causes it to turn inward. This can cause a bump and swelling to form in the area. An infection called ...