Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Ingrown hairUpdated: 2017-06-13OverviewIngrown hair is a condition in which a shaved or tweezed hair grows back into the skin, causing inflammation. It's common in black males ages 14 to 25 but can affect anyone.Symptomsp>The main signs are small, solid bumps and small, pus-filled blisters. TreatmentsNot removing hair or using methods such as laser hair removal can prevent the condition. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use