Write an article based on this "Know that abnormal cell proliferation is a cause. Be aware that it can be triggered by a damaged hair follicle. Know that an infection makes a cyst more serious. Know that inflammation can occur quite easily. Be aware that rupture can happen."

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The skin surface is made out of keratin, a thin layer of cells which protects the skin. The keratin layer is continuously shed and replaced with a new batch of cells. Instead of a normal exfoliation, the cells can move deeper into the skin and continue to proliferate. Keratin will be secreted towards the inside of your body, creating a cyst. This is, in itself, not harmful or dangerous -- it's simply not aesthetically pleasing. It's only if a tumor or infection develops that this abnormal proliferation is something to worry about. Sounds pretty harmless, huh? Even just a hair follicle can create a sebaceous cyst. If you were worried you were suffering from some serious health problem, know that it can really just be because of a hair. When this is the cause, a small pocket of modified skin found in the dermis, which is the second layer of the skin, is referred to as a hair follicle. Each hair grows from one of these pockets. Follicles damaged by a constant irritating factor or surgical wound will suffer damage and scarring, leading to an ingrown hair. If a cyst is ruptured, bacteria can contaminate it, leading to infection. The cyst will become painful and will start to resemble a pimple. It will ooze pus as well as moist keratin deposits. The area around it will be red and slightly swollen. If this happens, you need to seek medical treatment. If the infection goes untreated, it will get worse and worse and can eventually affect your entire body. While a cyst itself isn't anything to be greatly concerned about, an infected cyst does require action. Even if a cyst is not infected, it can still become inflamed. If the cyst is constantly exposed to an irritating factor, such as rubbing against a rugged fabric, it will become inflamed.  Luckily, it's usually fairly easy to reduce the inflammation, either with NSAIDs (like ibuprofen) or just to remove the irritating factor. An inflamed cyst is difficult to remove because the area is vulnerable to infection. If a minor surgical procedure is necessary, it may be postponed until the inflammation goes away. A ruptured cyst will trigger an immune reaction if a foreign material infiltrates your skin. This will cause a collection of pus called an abscess to form. This is more likely to happen in large cysts. A ruptured cyst is better off seen by a doctor. A burst cyst needs to be kept as clean and hygienic as possible. Visit your doctor for advice on how to care for the cyst and what medical treatment you should seek.