Nodule caused by a trichome can be an uncomfortable issue which demands correct treatment. Such form of cyst develops when a hair grows back into your epidermis, resulting in irritation and possible infection. Managing an ingrown hair cyst caused by an ingrown hair effectively can help alleviate unease and stop additional problems. If you're having difficulties with an ingrown hair cyst, consulting professional recommendations is advisable to manage it adequately and avoid any potential risks hinged on self-treatment.