squa·​lene | \ ˈskwā-ˌlēn How to pronounce squalene (audio) \

Definition of squalene

: 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

When shopping for facial moisturizers, look for hyaluronic acid, squalene, dimethicone, and ceramides, as these hydrating ingredients hold moisture in the skin. Talia Abbas, SELF, "11 Tips for How to Treat Eczema During the Winter," 7 Jan. 2019 Other common non-vegan buzzwords: carmine, squalene, oleic acid, glycerine, and collagen. Jenna Rosenstein, Harper's BAZAAR, "The Best Vegan and Cruelty-Free Makeup," 29 Nov. 2018 As for the other ingredients in Newborn, the brand touts hyaluronic acid, squalene, and vitamin E as the supporting cast in this cream. Marci Robin, Allure, ""Newborn" Cream Claims to Give Adults Baby-Soft Skin With a Surprising Ingredient," 29 Oct. 2018 Promising to be completely pain-free, activated charcoal acts like a magnet to draw out gunk from pores to minimize their appearance while ingredients like squalene, soothe and hydrate the skin. Tanisha Pina, Allure, "Amazon Is Launching Exclusive Beauty Products for Prime Day 2018," 10 July 2018 Shark liver oil, known as squalene, is used in cosmetics and health supplements such as omega-3 pills, accounting for 3 million shark deaths a year. Simon Denyer, Washington Post, "Even as China turns away from shark fin soup, the prestige dish is gaining popularity elsewhere in Asia," 15 Feb. 2018 There are several antioxidants at play to boost skin radiance, and in addition to the prickly pear, squalene and aloe moisturize to relieve a dry, irritated face. Ashley Weatherford, The Cut, "Are You Ready for Succulent Skin Care?," 1 Feb. 2018 The catechin found in green tea, EGCG3, lends anti-inflammatory properties, along with fellow antioxidants carnosine and bacopa; squalene helps support barrier function. Laura Regensdorf, Vogue, "Introducing the Chic, No-Fuss Skin-Care Line You Need Now," 29 Sep. 2017 For full body coverage, a sunscreen oil such as Zelens Body Defence SPF 30 is a game-changer, providing water-resistant sun protection packed with antioxidants, squalene, and grape-seed oil. Micere Johnson, Vogue, "The Best Sunscreens for Women of Color to Buy Now," 21 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'squalene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of squalene

1916, in the meaning defined above

History and Etymology for squalene

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

Keep scrolling for more

Learn More about squalene

Dictionary Entries near squalene








Statistics for squalene

Look-up Popularity

Time Traveler for squalene

The first known use of squalene was in 1916

See more words from the same year

Keep scrolling for more

More Definitions for squalene


squa·​lene | \ ˈskwā-ˌlēn How to pronounce squalene (audio) \

Medical Definition of squalene

: 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)

More from Merriam-Webster on squalene

Britannica.com: Encyclopedia article about squalene

Comments on squalene

What made you want to look up squalene? Please tell us where you read or heard it (including the quote, if possible).


to shake or wave menacingly

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
True or False

Test your knowledge - and maybe learn something along the way.

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!