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
Recent Examples on the Web
These medications are up to 20 times stronger than over-the-counter retinols and can increase collagen production, speed up the skin’s natural regeneration process, exfoliate dead skin cells, and reduce acne.
—
Jessie Quinn, StyleCaster, 10 Oct. 2025
Pears also supply vitamin C and vitamin K, which aid immune function, collagen production and wound healing.
—Daryl Austin, USA Today, 9 Oct. 2025
Whether your hair has been fried from hot tools or color treatments, this treatment coats every strand using ceramides and collagen.
—Sarah Han, Allure, 9 Oct. 2025
This tells your skin to increase cellular regeneration and collagen production, says Daniel Isaacs, director of research at Medik8.
—Justin Fenner, Robb Report, 9 Oct. 2025
See All Example Sentences for collagen
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jessie Quinn, StyleCaster, 10 Oct. 2025
Pears also supply vitamin C and vitamin K, which aid immune function, collagen production and wound healing.
—Daryl Austin, USA Today, 9 Oct. 2025
Whether your hair has been fried from hot tools or color treatments, this treatment coats every strand using ceramides and collagen.
—Sarah Han, Allure, 9 Oct. 2025
This tells your skin to increase cellular regeneration and collagen production, says Daniel Isaacs, director of research at Medik8.
—Justin Fenner, Robb Report, 9 Oct. 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 15 Oct. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share