Nodule caused by an trichome can be a painful ailment which needs adequate treatment. This type of cyst arises when a hair becomes in within your epidermis, causing inflammation and possible infection. Treating a cyst caused by an hair correctly could help alleviate unease and avoid further problems. In case you are dealing with an ingrown hair cyst, seeking medical recommendations is recommended to address it adequately and avoid any potential dangers hinged on self-treatment.