sebum

noun

se·​bum ˈsē-bəm How to pronounce sebum (audio)
: fatty lubricant matter secreted by sebaceous glands of the skin

Examples of sebum in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
The rinse also deploys the brand’s 9% alpha hydroxy acid blend of exfoliating glycolic and lactic acids, which dissolve buildup and excess sebum for a cleaner, fresher feel after washing. Jennifer Hussein, Allure, 26 Oct. 2024 Oil glands, or sebaceous glands, are usually connected to hair follicles and secrete an oily substance called sebum that moisturizes your skin and hair. Carley Millhone, Health, 19 Oct. 2024 Specifically, Robinson likes salicylic acid, which can dive deep into your pore and dissolve the sebum that’s causing the clog. Deanna Pai, Glamour, 2 Oct. 2024 Rice starch is the star here, absorbing sebum, soaking up oil, and dulling excess shine. Sarah Felbin, SELF, 19 Sep. 2024 See all Example Sentences for sebum 

Word History

Etymology

Latin, tallow, grease

First Known Use

circa 1860, in the meaning defined above

Time Traveler
The first known use of sebum was circa 1860

Dictionary Entries Near sebum

Cite this Entry

“Sebum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sebum. Accessed 5 Nov. 2024.

Medical Definition

sebum

noun
se·​bum ˈsēb-əm How to pronounce sebum (audio)
: lubricant matter that is secreted by sebaceous glands of the skin and is composed of various lipids (such as triglycerides, fatty acids, and squalene)
Androgens, such as testosterone, play a role in the development and exacerbation of acne by stimulating the production of sebum.Isabella Tan, Dermatology Times
… the resulting production of sebum from sebaceous glands aids in lubrication, heat insulation, … antimicrobial activity, and delivery of fat-soluble antioxidants to the skin surface.Dustin H. Marks, American Journal of Clinical Dermatology
see sebocyte

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