Nodule caused by an ingrown strand may be a painful issue which needs proper treatment. Such kind of lump arises when a hair grows in within the skin, triggering inflammation and potential infection. Dealing with an ingrown hair cyst resulting from an ingrown strand correctly may help relieve pain and stop more issues. Should you be having difficulties with an ingrown hair cyst, seeking medical guidance is advisable to manage it properly and avoid any potential risks associated with DIY approaches.