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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
Avoid products containing potent alpha hydroxy acids, beta hydroxy acids and retinol, Galamgam said.
—Andrea Chang, Los Angeles Times, 21 Dec. 2024
The cream has Vitamin E and retinol to soothe and tighten.
—Veronica Booth, Rolling Stone, 20 Dec. 2024
Editor’s tip: Unlike retinol, bakuchiol is super gentle, even for sensitive skin.
—Christa Joanna Lee, Allure, 20 Dec. 2024
Snag the Cetaphil Healthy Renew Anti-Aging Face Serum to get the benefits of retinol without the dryness and irritation.
—Lauren Taylor, Southern Living, 19 Dec. 2024
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Word History
Etymology
retin- + -ol entry 1; from its being the source of retinal
First Known Use
1960, in the meaning defined above
Dictionary Entries Near retinol
Cite this Entry
“Retinol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinol. Accessed 5 Jan. 2025.
Kids 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
More from Merriam-Webster on retinol
Britannica.com: Encyclopedia article about retinol
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