Lump caused by an ingrown hair can be an unpleasant issue which requires proper treatment. This form of cyst forms when an ingrown hair grows in into your epidermis, triggering inflammation and potential infection. Managing an ingrown hair cyst caused by an strand effectively can help relieve discomfort and avoid more problems. If you're having difficulties with a cyst, seeking medical guidance is recommended to address it adequately and avoid any potential dangers associated with treating it on your own.