hyaluronic acid


hy·​al·​uron·​ic acid ˌhī(-ə)l-yu̇-ˈrä-nik How to pronounce hyaluronic acid (audio)
: a viscous glycosaminoglycan chiefly of the matrix of tissues that occurs especially in the vitreous humor, umbilical cord, synovial fluid, and loose connective tissue and serves especially as a structural element and lubricant

Examples of hyaluronic acid in a Sentence

Recent Examples on the Web Ingredient list of hyaluronic acid, collagen, and red algae together moisturize, hydrate, plump, and soften skin. Madison Yauger, Peoplemag, 12 Sep. 2023 Colourpop’s inclusion of hyaluronic acid and inclusive shade range make this a go-to budget pick for her. Carrie Honaker, Southern Living, 11 Sep. 2023 In fact, one molecule of hyaluronic acid can bind up to one ton of water. Ariana Yaptangco, Glamour, 11 Sep. 2023 Neutrogena Hydro Boost Hyaluronic Acid Water Gel A weightless gel moisturizer powered by hyaluronic acid to provide intense hydration to dry skin. Kiana Murden, Vogue, 1 Sep. 2023 Plus, the addition of humectant hyaluronic acid, which traps and holds onto moisture in the skin, promises hydration for up to forty-eight hours. Brian Underwood, Women's Health, 16 Aug. 2023 There are also five types of hyaluronic acid in this serum, which seriously hydrates the undereyes to keep wrinkles and blemishes at bay. Hillary Maglin, Travel + Leisure, 14 Aug. 2023 Its conditioning properties come by way of jojoba seed oil, hyaluronic acid, and shea butter, which helps keep lips plump and soft. Kiana Murden, Vogue, 30 Aug. 2023 The formula combines CeraVe’s usual suspects (ceramides, hyaluronic acid, and niacinamide) with peptides and caffeine that firm and boost skin around the delicate under eyes. Lindsay Colameo, Peoplemag, 30 Aug. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hyaluronic acid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of hyaluronic acid was in 1934

Dictionary Entries Near hyaluronic acid

Cite this Entry

“Hyaluronic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyaluronic%20acid. Accessed 22 Sep. 2023.

Medical Definition

hyaluronic acid

hy·​al·​uron·​ic acid ˌhīl-yu̇-ˌrän-ik- How to pronounce hyaluronic acid (audio) ˌhī-əl-yu̇- How to pronounce hyaluronic acid (audio)
: a viscous glycosaminoglycan that occurs especially in the vitreous body, the umbilical cord, and synovial fluid and as a cementing substance in the subcutaneous tissue

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