retinol

noun

ret·​i·​nol ˈre-tə-ˌnȯl How to pronounce retinol (audio)
-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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Of all the ingredients said to tame wrinkles, retinol is often considered the gold standard. Jenny Berg, Allure, 6 May 2025 Its hero ingredient is bakuchiol, a gentler alternative to retinol that can improve your skin’s texture and tone. Jessica Kasparian, SELF, 18 Apr. 2025 This retinol serum is widely recognized for its role in improving skin texture and reducing the appearance of fine lines and wrinkles. Corein Carter, Forbes.com, 9 Apr. 2025 The milky serum also boasts retinol to help improve skin texture and minimize fine lines and wrinkles. Brigitt Earley, Glamour, 31 Mar. 2025 See All Example Sentences for retinol

Word History

Etymology

retin- + -ol entry 1; from its being the source of retinal

First Known Use

1960, in the meaning defined above

Time Traveler
The first known use of retinol was in 1960

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Cite this Entry

“Retinol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinol. Accessed 28 May. 2025.

Kids Definition

retinol

noun
ret·​i·​nol ˈret-ᵊn-ˌȯl How to pronounce retinol (audio)
-ˌōl
: the most common form of vitamin A

Medical Definition

retinol

noun
ret·​i·​nol ˈret-ᵊn-ˌȯl How to pronounce retinol (audio) -ˌōl How to pronounce retinol (audio)

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