Best Ingrown Hair on YouTube Compilation YouTubeNodule resulting from a strand may be an unpleasant issue which requires adequate treatment. This kind of lump forms when an ingrown hair grows in into the skin, causing inflammation and potential infection. Managing a cyst caused by an ingrown hair effectively may help ease discomfort and avoid more problems. Should you be struggling with an ingrown hair cyst, consulting medical recommendations is recommended to manage it adequately and avoid any potential dangers associated with self-treatment.