squalene

noun

squa·​lene ˈskwā-ˌlēn 

: an acyclic hydrocarbon C₃₀H₅₀ that is widely distributed in nature (such as a major component of sebum and in shark-liver oils) and is a precursor of sterols (such as cholesterol)

Examples of squalene in a Sentence

Recent Examples on the Web

With powerhouse ingredients such as shea butter, glycerin, and squalene, this coveted product priced at $20 a tub is an instant add to cart. TPH by Taraji, the skin and hair care brand founded by Taraji P. Henson, offers a wealth of products across multiple target areas. —Essence, 4 Dec. 2024

Strengthening this hypothesis, chemical analysis of its leaves and resin revealed many compounds known to be medicinal, including high levels (30%) of squalene, positive for the skin as an emollient, antioxidant, hydrator and anti-tumor agent. —David Isaac, Sun Sentinel, 26 Sep. 2024

The addition of squalene provides deep hydration and moisture. —Jenny Berg, Vogue, 31 Oct. 2024

Therefore, the brand blended their pure retinol complex with nourishing and hydrating ingredients like ceramides, peptides, glycerin, shea butter and squalene to create a formula that could be used daily without irritation. —Jackie Fields, People.com, 1 Oct. 2024

Word History

Etymology

International Scientific Vocabulary, from Latin squalus, a sea fish — more at whale

First Known Use

1916, in the meaning defined above

Medical Definition

squalene

noun

squa·​lene ˈskwā-ˌlēn 

: an acyclic hydrocarbon C₃₀H₅₀ that is widely distributed in nature (as a major component of sebum and in shark-liver oils) and is a precursor of sterols (as cholesterol)