15 Best Ingrown Hair Treatments for 2023 Products to Treat Cyst from an strand is an unpleasant ailment which demands proper treatment. This form of lump develops when an ingrown hair becomes in within your epidermis, triggering swelling and potential infection. Treating an ingrown hair cyst caused by an ingrown strand properly can help relieve unease and avoid additional complications. If you're having difficulties with an ingrown hair cyst, seeking medical recommendations is recommended to manage it adequately and prevent any potential hazards associated with self-treatment.