Bump caused by an ingrown follicle may be a painful ailment which requires proper treatment. This type of lump develops when a hair becomes in within your epidermis, causing irritation and potential infection. Dealing with a cyst caused by an strand properly can help alleviate pain and prevent additional complications. If you're dealing with an ingrown hair cyst, consulting medical advice is advisable to treat it properly and avoid any potential hazards associated with self-treatment.