Nodule caused by an ingrown hair is an unpleasant issue that needs adequate treatment. Such type of lump forms when an ingrown hair grows back into your epidermis, triggering inflammation and potential infection. Dealing with a cyst resulting from an hair effectively may help relieve pain and avoid more complications. Should you be dealing with an ingrown hair cyst, consulting professional advice is recommended to manage it adequately and prevent any potential risks associated with DIY approaches.