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
According to Libby, ingredients like niacinamide, hyaluronic acid, and ceramides can boost your skin’s moisture; peptides and retinoids can support collagen production; and, antioxidants and SPF 50 (or higher) can brighten and protect the skin.
—
Essence, 30 July 2025
Exfoliating ingredients like AHAs and retinoids can worsen rosacea symptoms, so use these ingredients only if they are formulated for your skin type and gradually introduce them into your routine to make sure your skin can tolerate them.
—Leslie Baumann, Miami Herald, 28 July 2025
Only apply retinoids at night: Retinoids make your skin more sensitive to the sun, so it's recommended only to use them at night.
—Laura Schober, Health, 9 June 2025
Those with acne-prone skin can use a topical retinoid one or two nights a week, Ricardo-Gonzalez said, noting that moderation is key to a bedtime skin care routine.
—Kameryn Griesser, CNN Money, 30 May 2025
See All Example Sentences for retinoid
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Essence, 30 July 2025
Exfoliating ingredients like AHAs and retinoids can worsen rosacea symptoms, so use these ingredients only if they are formulated for your skin type and gradually introduce them into your routine to make sure your skin can tolerate them.
—Leslie Baumann, Miami Herald, 28 July 2025
Only apply retinoids at night: Retinoids make your skin more sensitive to the sun, so it's recommended only to use them at night.
—Laura Schober, Health, 9 June 2025
Those with acne-prone skin can use a topical retinoid one or two nights a week, Ricardo-Gonzalez said, noting that moderation is key to a bedtime skin care routine.
—Kameryn Griesser, CNN Money, 30 May 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 5 Aug. 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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