Ingrown hair cysts can usually be treated at home.
However, its important to see your healthcare provider if the pimple-like bumps dont improve or an infection develops.
Without treatment, common ingrown hair cysts can cause scarring or turn into a recurrent problem.

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You also may need medical care for other less common hair-related cysts.
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The bumps may be itchy and the surrounding skin may appear red.
However, they’re not usually painful unless you shave over them or an infection develops.
Multiple ingrown hair cysts, called razor bumps (Pseudofolliculitis barbae) develop in areas where you shave.
However, both can cause drying or peeling, so stop using them if side effects appear.
Signs of an infection include swelling, redness, pain, and pus.
In severe cases, you may also have a fever.
Instead, consider other methods that offer long-term solutions, likelaser hair removal.
This chart provides an overview of five other cysts.
They don’t all develop due to ingrown hair.
However, they are associated with hair follicles and body hairs.
Treatment for Other Cysts
The treatments for the cysts in the above chart vary.
Summary
Ingrown hair cysts happen when hairs grow into your skin instead of out of the follicle.
National Health Service.Ingrown hairs.
Cedars-Sinai.Ingrown hairs (pseudofolliculitis).
DermNet.Cutaneous cysts and pseudocysts.
Mount Sinai.Pilonidal sinus disease.