Bump caused by an ingrown trichome can be a painful condition that needs proper treatment. Such kind of cyst arises when an ingrown hair grows back within your epidermis, triggering swelling and possible infection. Treating a cyst resulting from an strand effectively can help relieve discomfort and avoid more problems. If you're struggling with a cyst, consulting medical guidance is recommended to manage it adequately and avoid any potential dangers hinged on self-treatment.