ceramide

noun

cer·​amide ˈsir-ə-ˌmīd 

ˈser-

plural ceramides

: any of various simple sphingolipids that are composed of a fatty acid linked to sphingosine, are found especially in cell membranes, are involved in mediating various cellular processes (such as those affecting cell differentiation and apoptosis), and act as precursors for more complex sphingolipids

The enzyme controls production of a cellular substance, ceramide, which triggers the natural process of egg cell death.

—L. Stivitz

Moisturizers containing ceramides (natural lipids that are similar in structure to those in the skin's own moisture barrier) … are also worthwhile splurges for women with dry or problem skin, according to independent tester Grove.

—Constance Cardozo

Examples of ceramide in a Sentence

Recent Examples on the Web

Certain topical skincare products (like ceramide, niacinamide, and arnica gel) may help improve your skin’s overall health, which could lead to less bruising or a quicker recovery time. —Sarah Bradley, Health, 15 Sep. 2024

With a formulation that includes ceramides (an ingredient that strengthens the skin barrier) and squalane (which locks in the moisture), the lipstick glides on like a dream. —Venus Wong, refinery29.com, 10 Sep. 2024

This ultra-rich face cream has won over dermatologists and editors alike, thanks to its intensive moisturizing powers derived from 2% ceramides (pure ceramides 1 and 3), 4% cholesterol, and 2% fatty acids. —Sarah Han, Allure, 10 Sep. 2024

One of the brand’s bestsellers, this rich cream is packed with thermal spring water, ceramides, allantoin, and niacinamide to replenish skin’s moisture levels, soothe, and even tone. —Kiana Murden, Vogue, 6 Sep. 2024

Word History

Etymology

cerebroside + amide

First Known Use

1958, in the meaning defined above

Medical Definition

ceramide

noun

cer·​amide ˈsir-ə-ˌmīd 

: any of a group of amido sphingolipids formed by linking a fatty acid to sphingosine and found widely in small amounts in plant and animal tissue