collagen
noun
col·la·gen
ˈkä-lə-jən 
: any of a group of fibrous proteins that occur in vertebrates as the chief constituent of connective tissue fibrils and in bones and yield gelatin and glue upon boiling with water
Examples of collagen in a Sentence
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Try Microneedling Microneedling is the process of puncturing the skin with tiny needles to stimulate collagen production.
—
Carrie Madormo, Rn, Mph, Verywell Health, 30 Apr. 2025
Neutrogena Healthy Skin Anti-Aging Perfector Moisturizer $13 $9 at Amazon
The moisturizer is formulated with retinol, a powerful ingredient that works to increase collagen production to plump up fine lines and wrinkles, even skin tone, decrease hyper pigmentation, and much more.
—Alicia Geigel, Southern Living, 25 Apr. 2025
The Laser Pro uses near-infrared cold laser technology to boost collagen production to address wrinkles, cellulite, redness, scarring, hyperpigmentation, and post-surgical recovery.
—Julian Chokkattu, Wired News, 19 Apr. 2025
The importance of daylight The infrared light found in daylight can modulate inflammation, stimulate collagen production, prevent neurodegeneration, and even optimize mitochondria, which produce energy inside our cells.
—Ana Morales, Vogue, 18 Apr. 2025
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Carrie Madormo, Rn, Mph, Verywell Health, 30 Apr. 2025
Neutrogena Healthy Skin Anti-Aging Perfector Moisturizer $13 $9 at Amazon
The moisturizer is formulated with retinol, a powerful ingredient that works to increase collagen production to plump up fine lines and wrinkles, even skin tone, decrease hyper pigmentation, and much more.
—Alicia Geigel, Southern Living, 25 Apr. 2025
The Laser Pro uses near-infrared cold laser technology to boost collagen production to address wrinkles, cellulite, redness, scarring, hyperpigmentation, and post-surgical recovery.
—Julian Chokkattu, Wired News, 19 Apr. 2025
The importance of daylight The infrared light found in daylight can modulate inflammation, stimulate collagen production, prevent neurodegeneration, and even optimize mitochondria, which produce energy inside our cells.
—Ana Morales, Vogue, 18 Apr. 2025
See All Example Sentences for collagen
Cite this Entry
“Collagen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collagen. Accessed 5 May. 2025.
Copy CitationKids Definition
collagen
noun
col·la·gen
ˈkäl-ə-jən
: a protein that occurs in the form of fibers, does not dissolve, is found in connective tissue, and forms glue and gelatin upon boiling with water
Medical Definition
collagen
noun
col·la·gen
ˈkäl-ə-jən
: an insoluble fibrous protein of vertebrates that is the chief constituent of the fibrils of connective tissue (as in skin and tendons) and of the organic substance of bones and yields gelatin and glue on prolonged heating with water
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