Medical News Today: What to know about black earwax

Earwax is a naturally produced yellow substance that helps keep a person’s ears clean and free of debris. Black earwax can sometimes appear, but it is usually the result of an excessive buildup of earwax and is rarely a cause for concern. Earwax protects the ear canal from things that may enter it, including: water shampoo and conditioner dirt viruses, fungi, and bacteria Several glands in the outer part of the ear produce earwax, which is sometimes called cerumen. Earwax also includes the old skin cells of the ear canal,…

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