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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
Fast-working ingredients such as retinol and salicylic acid target blemishes and fine lines for a beautifully smooth complexion.
—
Mia Meltzer, Rolling Stone, 20 May 2024
An exfoliating product like retinol, commonly used as an anti-aging product, isn't necessary for those younger then 20 years old when collagen begins to decrease, experts say.
—
Kinsey Crowley, USA TODAY, 15 May 2024
Using products containing retinols and acids at a young age can lead to eczema and irritant contact dermatitis, according to Sunil Dhawan, a dermatologist with the Center for Dermatology, which has locations in Milpitas and Fremont.
—
Stephanie Lam, The Mercury News, 8 May 2024
Topical retinoids, like over-the-counter retinol and prescription tretinoin, can also treat wrinkles and texture by slowing the breakdown of collagen and increasing skin cell turnover.
—
Medea Giordano, WIRED, 3 May 2024
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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'retinol.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 11 Jun. 2024.
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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