elastin
noun
elas·tin
i-ˈla-stən 
: a protein that is similar to collagen and is the chief constituent of elastic fibers
Examples of elastin in a Sentence
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The creamy formula blends a triple collagen complex with hyaluronic acid to deeply moisturize, plus elastin and shea butter help soften and increase bounciness.
—
Deanna Pai, Glamour, 11 Dec. 2025
Alastin’s TransForm Body Treatment is our go-to for smoothing crepey skin, thanks to the brand’s collagen- and elastin-boosting TriHex Technology.
—Lily Wohlner, Allure, 29 Nov. 2025
In addition to hurting your skin directly thanks to their impact on collagen and elastin, AGEs also hurt your skin indirectly by triggering oxidative stress and chronic low-grade inflammation—biological conditions that put strain on your whole body.
—Caroline Tien, SELF, 11 Nov. 2025
By penetrating more deeply beneath the skin’s surface, infrared saunas are able to help stimulate production of collagen and elastin—which may lessen the appearance of fine lines and wrinkles.
—Dean Stattmann, Outside, 19 Oct. 2025
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Deanna Pai, Glamour, 11 Dec. 2025
Alastin’s TransForm Body Treatment is our go-to for smoothing crepey skin, thanks to the brand’s collagen- and elastin-boosting TriHex Technology.
—Lily Wohlner, Allure, 29 Nov. 2025
In addition to hurting your skin directly thanks to their impact on collagen and elastin, AGEs also hurt your skin indirectly by triggering oxidative stress and chronic low-grade inflammation—biological conditions that put strain on your whole body.
—Caroline Tien, SELF, 11 Nov. 2025
By penetrating more deeply beneath the skin’s surface, infrared saunas are able to help stimulate production of collagen and elastin—which may lessen the appearance of fine lines and wrinkles.
—Dean Stattmann, Outside, 19 Oct. 2025
See All Example Sentences for elastin
Cite this Entry
“Elastin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/elastin. Accessed 13 Dec. 2025.
Copy CitationKids Definition
elastin
noun
elas·tin
i-ˈlas-tən
: a protein that is similar to collagen and helps make up the elastic fibers of connective tissue
Medical Definition
elastin
noun
elas·tin
i-ˈlas-tən
: a protein that is similar to collagen and is the chief constituent of elastic fibers
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