Bump caused by a strand can be an unpleasant ailment that requires adequate treatment. Such type of cyst arises when an ingrown hair grows back into the skin, causing swelling and possible infection. Managing a cyst resulting from an ingrown hair correctly could help ease unease and stop further complications. Should you be having difficulties with an ingrown hair cyst, seeking professional recommendations is advisable to address it properly and prevent any potential dangers associated with self-treatment.