Ingrown hair cyst Treatments causes and preventionCyst caused by a hair is an uncomfortable ailment that requires proper treatment. Such type of bump develops when an ingrown hair grows in into the skin, causing irritation and potential infection. Treating a cyst resulting from an strand correctly may help alleviate unease and prevent more problems. In case you are dealing with a cyst, visiting medical guidance is advisable to treat it properly and avoid any potential dangers hinged on DIY approaches.