Hair follicles are the areas of your skin that surround the roots of your hair strands. Irritation of this area can cause tiny, itchy, red bumps ...

Narrator: Look at that beard: the density ... Testosterone gets converted in the hair follicle to a more potent form called dihydrotestosterone. Some hair follicles have receptors on them that ...

Folliculitis happens when your hair follicles become inflamed, causing bumps. It's most common on the legs, butt, arms, back, and beard areas. You can treat folliculitis by changing the way you ...