16 Effective Home Remedies For Ingrown Hairs CystBump resulting from a trichome is a painful condition which demands proper treatment. This type of lump develops when an ingrown hair becomes in within your epidermis, causing irritation and possible infection. Dealing with an ingrown hair cyst caused by an hair correctly may help alleviate discomfort and avoid additional issues. Should you be having difficulties with a cyst, consulting medical guidance is recommended to treat it adequately and avoid any potential dangers hinged on self-treatment.