Infected Ingrown Hair Symptoms Treatment and PreventionLump caused by a strand may be an unpleasant ailment which requires correct treatment. Such form of lump develops when a hair grows in within the skin, triggering swelling and possible infection. Dealing with a cyst resulting from an ingrown hair properly can help alleviate pain and prevent more issues. Should you be struggling with a cyst, consulting medical guidance is advisable to address it properly and prevent any potential risks associated with DIY approaches.