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 certain ingredients: Avoid skin care products containing retinol (vitamin) or glycolic acid.
—
Mark Gurarie, Verywell Health, 23 Jan. 2025
As such, retinol rookies may consider starting with a gentler formulation like this one, which is also fragrance-free.
—Jenny Berg, Vogue, 18 Jan. 2025
Always pair retinol with a moisturizer to keep skin hydrated, and don’t skip daily sunscreen, as retinol can increase sun sensitivity.
—Christa Joanna Lee, Allure, 17 Jan. 2025
Applying retinol at night protects your skin from UV exposure while it’s being absorbed.
—Sarah Bradley, Health, 24 Dec. 2024
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Mark Gurarie, Verywell Health, 23 Jan. 2025
As such, retinol rookies may consider starting with a gentler formulation like this one, which is also fragrance-free.
—Jenny Berg, Vogue, 18 Jan. 2025
Always pair retinol with a moisturizer to keep skin hydrated, and don’t skip daily sunscreen, as retinol can increase sun sensitivity.
—Christa Joanna Lee, Allure, 17 Jan. 2025
Applying retinol at night protects your skin from UV exposure while it’s being absorbed.
—Sarah Bradley, Health, 24 Dec. 2024
See all Example Sentences for retinol
Dictionary Entries Near retinol
Cite this Entry
“Retinol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinol. Accessed 8 Feb. 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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