retinol
noun
ret·i·nol
ˈre-tə-ˌnȯl 
-ˌnōl
: the chief and typical vitamin A C20H29OH that is a highly unsaturated alicyclic alcohol used in various forms in medicine and nutrition
Examples of retinol in a Sentence
Recent Examples on the Web
Sephora kids are mobbing retinol, anti-aging products.
—
Charles Trepany, USA Today, 14 Apr. 2025
Because of that, retinal can work more quickly and more efficiently than even the best retinol cream.
—Christa Joanna Lee, Allure, 9 Apr. 2025
For example, the National Institutes of Health Office of Dietary Supplements indicates that one mcg RAE is equivalent to 1 mcg retinol, 2 mcg supplemental beta-carotene, 12 mcg dietary beta-carotene, or 24 mcg dietary alpha-carotene or beta-cryptoxanthin.
—Bruce Y. Lee, Forbes.com, 5 Apr. 2025
Designed to firm, smooth and protect the skin, the oils are both organic and lightweight, containing active levels of bakuchiol, a natural retinol alternative that helps support the skin's collagen production; as well as vitamins C, D and E to aid in supporting the skin's natural barrier.
—Paul Du Quenoy, MSNBC Newsweek, 26 Mar. 2025
See All Example Sentences for retinol
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Charles Trepany, USA Today, 14 Apr. 2025
Because of that, retinal can work more quickly and more efficiently than even the best retinol cream.
—Christa Joanna Lee, Allure, 9 Apr. 2025
For example, the National Institutes of Health Office of Dietary Supplements indicates that one mcg RAE is equivalent to 1 mcg retinol, 2 mcg supplemental beta-carotene, 12 mcg dietary beta-carotene, or 24 mcg dietary alpha-carotene or beta-cryptoxanthin.
—Bruce Y. Lee, Forbes.com, 5 Apr. 2025
Designed to firm, smooth and protect the skin, the oils are both organic and lightweight, containing active levels of bakuchiol, a natural retinol alternative that helps support the skin's collagen production; as well as vitamins C, D and E to aid in supporting the skin's natural barrier.
—Paul Du Quenoy, MSNBC Newsweek, 26 Mar. 2025
See All Example Sentences for retinol
Cite this Entry
“Retinol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinol. Accessed 22 Apr. 2025.
Copy CitationKids Definition
retinol
noun
ret·i·nol
ˈret-ᵊn-ˌȯl
-ˌōl
: the most common form of vitamin A
Medical Definition
retinol
noun
ret·i·nol
ˈret-ᵊn-ˌȯl
-ˌōl
-ˌōl
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