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
While retinol works to increase skin turnover, vitamin C accelerates the healthy radiance and glow.
—
Rosa Jisoo Pyo, Vogue, 28 Apr. 2025
While vitamin C, retinol, and hyaluronic acid serums get a lot of attention, there’s a dark horse out there by the name of niacinamide.
—Alanna Martine Kilkeary, Glamour, 28 Apr. 2025
However, that's not to say retinol is overlooked all together.
—Sarah Han, Allure, 25 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
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Rosa Jisoo Pyo, Vogue, 28 Apr. 2025
While vitamin C, retinol, and hyaluronic acid serums get a lot of attention, there’s a dark horse out there by the name of niacinamide.
—Alanna Martine Kilkeary, Glamour, 28 Apr. 2025
However, that's not to say retinol is overlooked all together.
—Sarah Han, Allure, 25 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
See All Example Sentences for retinol
Cite this Entry
“Retinol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinol. Accessed 1 May. 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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