What is cerumen?

Apr 26, 2023 Source: Cainiu Health
Dr. Yang Shuwen
Introduction
Cerumen is a slightly yellow, viscous substance secreted by the ceruminous glands in the ear. It is a material present in the ear canal, produced by the ceruminous glands. When exposed to air, this substance typically loses moisture quickly and forms thin, flaky layers. However, in some individuals, cerumen contains a higher fat content, preventing it from drying and resulting in a paste-like or greasy consistency.

Cerumen is a pale yellow, viscous substance secreted by the ceruminous glands in the ear. A detailed explanation is as follows:

Cerumen is a substance present in the ear canal and is secreted by ceruminous glands. These glands are located in the cartilaginous portion of the external auditory canal and produce a pale yellow, relatively sticky material. Upon exposure to air, the moisture in this substance usually evaporates quickly, forming thin, flaky layers. However, in some individuals, cerumen contains higher fat content and remains moist, resulting in a paste-like or greasy consistency. It helps protect the external auditory canal by trapping foreign particles such as insects and dust.

If not cleaned regularly, cerumen may accumulate excessively and lead to cerumen impaction, narrowing or blocking the external auditory canal and affecting hearing. In such cases, individuals should seek medical attention at an otolaryngology (ear, nose, and throat) clinic for appropriate treatment.