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
Whether powered by retinol or antioxidant-rich botanicals, each formula firms and smooths the delicate eye area—while calming agents like centella asiatica and panthenol help prevent irritation.
—
Conçetta Ciarlo, Vogue, 9 July 2025
First is this gentle Korean retinol serum, beloved by Wu that helps minimize the appearance of fine lines and wrinkles, without being overly harsh on sensitive or acne-prone skin.
—Alanna Martine Kilkeary, Glamour, 9 July 2025
The product combines the power of vitamin C and retinol to even your skin tone.
—Izzy Baskette, People.com, 7 July 2025
The serum for greasy skin has salicylic acid; for pigmentation has niacinamide; for first signs of aging has bakuchiol, and for advanced signs of aging has retinol, at 0.3 percent.
—Jennifer Weil, Footwear News, 1 July 2025
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Conçetta Ciarlo, Vogue, 9 July 2025
First is this gentle Korean retinol serum, beloved by Wu that helps minimize the appearance of fine lines and wrinkles, without being overly harsh on sensitive or acne-prone skin.
—Alanna Martine Kilkeary, Glamour, 9 July 2025
The product combines the power of vitamin C and retinol to even your skin tone.
—Izzy Baskette, People.com, 7 July 2025
The serum for greasy skin has salicylic acid; for pigmentation has niacinamide; for first signs of aging has bakuchiol, and for advanced signs of aging has retinol, at 0.3 percent.
—Jennifer Weil, Footwear News, 1 July 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 20 Jul. 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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