The 17 Best Ingrown Hair Treatments of 2023 ByrdieNodule from an ingrown hair may be an uncomfortable condition that needs proper treatment. This kind of bump forms when an ingrown hair grows in into the skin, triggering swelling and potential infection. Managing a cyst caused by an ingrown strand effectively could help alleviate discomfort and stop additional problems. If you're struggling with a cyst, visiting professional guidance is advisable to manage it properly and prevent any potential dangers associated with treating it on your own.