Folliculitis is inflammation or infection that can affect one or more hair follicles. Your hair follicles are the small cavities that surround the roots of your hair.
Folliculitis can occur on your skin wherever hair grows, including your scalp. It’s most likely to occur on your thighs, buttocks, neck, and armpits — places where friction is common. It usually appears as small bumps. It may look like acne or a rash. It can be isolated to one hair follicle or affect many. It can be acute or chronic. Acute cases occur for a short time, while chronic cases are ongoing.
Folliculitis is relatively common. People who are obese are more likely to experience it.
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