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
Recent Examples on the Web
The Skinspan review emphasizes that retinoids, antioxidants and moisturizers all underperform when daily sunscreen is skipped.
—
Allison Palmer
updated June 13, Fort Worth Star-Telegram, 13 June 2026
And compared with stronger anti-aging ingredients like retinoids or chemical exfoliants, copper peptides are generally considered less irritating and are often well-tolerated by sensitive skin.
—Daryl Austin, USA Today, 13 June 2026
Retinol is available over the counter, while retinoids are prescription-strength products that vary in potency.
—Sherri Gordon, Health, 10 June 2026
The amount to use will differ from one person to the next, though, as retinoids are dose-, formulation-, and user-dependent (including how irritation could impact you).
—Justin Fenner, Robb Report, 22 May 2026
See All Example Sentences for retinoid
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Allison Palmer
updated June 13, Fort Worth Star-Telegram, 13 June 2026
And compared with stronger anti-aging ingredients like retinoids or chemical exfoliants, copper peptides are generally considered less irritating and are often well-tolerated by sensitive skin.
—Daryl Austin, USA Today, 13 June 2026
Retinol is available over the counter, while retinoids are prescription-strength products that vary in potency.
—Sherri Gordon, Health, 10 June 2026
The amount to use will differ from one person to the next, though, as retinoids are dose-, formulation-, and user-dependent (including how irritation could impact you).
—Justin Fenner, Robb Report, 22 May 2026
See All Example Sentences for retinoid
Cite this Entry
“Retinoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinoid. Accessed 18 Jun. 2026.
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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