Ingrown Hair Causes Symptoms Treatments InfectionsBump caused by an ingrown trichome is an uncomfortable ailment that demands correct treatment. This kind of bump arises when a hair grows in into your epidermis, causing swelling and possible infection. Treating a cyst caused by an hair effectively may help ease discomfort and prevent further complications. If you're dealing with a cyst, visiting medical advice is suggested to manage it adequately and avoid any potential dangers hinged on self-treatment.