Bump caused by an ingrown hair can be an unpleasant ailment which needs correct treatment. This kind of bump forms when an ingrown hair grows back into your epidermis, triggering swelling and potential infection. Managing a cyst caused by an strand properly can help relieve discomfort and prevent additional problems. Should you be dealing with an ingrown hair cyst, visiting medical advice is advisable to treat it adequately and prevent any potential dangers associated with DIY approaches.