retinoid
noun
ret·i·noid
ˈre-tə-ˌnȯid 
: any of various synthetic or naturally occurring analogs of vitamin A
Examples of retinoid in a Sentence
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Unlike systemic retinoids or invasive field therapies, nicotinamide is inexpensive, over-the-counter, and free from significant side effects.
—
New Atlas, 18 Sep. 2025
Unlike systemic retinoids or invasive field therapies, nicotinamide is inexpensive, over-the-counter and free from significant side effects.
—Hannah Millington, MSNBC Newsweek, 17 Sep. 2025
Ingredients Before booking one, preparation is key: avoid lotions, oils, or self-tanners on treatment day, and discontinue exfoliants or retinoids 48 hours beforehand.
—Pooja Shah, Forbes.com, 26 Aug. 2025
Brighter, smoother, clearer, firmer skin—the benefits of alpha hydroxy acids for skin almost sound comparable to those of retinol and retinoids.
—Emily Orofino, Vogue, 25 Aug. 2025
See All Example Sentences for retinoid
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New Atlas, 18 Sep. 2025
Unlike systemic retinoids or invasive field therapies, nicotinamide is inexpensive, over-the-counter and free from significant side effects.
—Hannah Millington, MSNBC Newsweek, 17 Sep. 2025
Ingredients Before booking one, preparation is key: avoid lotions, oils, or self-tanners on treatment day, and discontinue exfoliants or retinoids 48 hours beforehand.
—Pooja Shah, Forbes.com, 26 Aug. 2025
Brighter, smoother, clearer, firmer skin—the benefits of alpha hydroxy acids for skin almost sound comparable to those of retinol and retinoids.
—Emily Orofino, Vogue, 25 Aug. 2025
See All Example Sentences for retinoid
Cite this Entry
“Retinoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinoid. Accessed 30 Sep. 2025.
Copy CitationMedical Definition
retinoid
noun
ret·i·noid
ˈret-ᵊn-ˌȯid
: any of various synthetic or naturally occurring analogs of vitamin A
retinoid
adjective
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