Earwax, or cerumen, is a waxy substance found in your ears, but what does it do? Find out how earwax helps protect your ears from bacteria and other germs. Causes Of Earwax Buildup Earwax is a sticky substance that is made up of dead skin cells, and sweat mixed with dirt, and contains oil. The sweat glands in the skin of the human external auditory canal, together with sebaceous glands, produce ear wax . It has lubricating and self-cleaning agents with protective, emollient, and bactericidal properties. Ear wax build-up can be due to: Failure to self-clear because of slow skin migration Putting small things like cotton buds, hairpins, headphones ... Ear pain or itching deep inside the canal People who wear hearing aids, earbuds, or earplugs are especially at risk, since these can trap wax and block the canal from self-cleaning. If you use hearing devices, check out our guide on cleaning and maintenance tips, including when to change wax guards. Your ear canal produces a waxy oil commonly known as earwax . This wax protects the ear from dust, foreign particles, and microorganisms. How do you treat a buildup or blockage?
