ret·​i·​nol | \ ˈre-tə-ˌnȯl How to pronounce retinol (audio) , -ˌnōl \

Definition of retinol

: 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 Keeping it strong and healthy is therefore essential, which is why Chapas recommends using moisturizers with ceramides and laying off harsh ingredients such as retinol or acids, which can damage it. Deanna Pai, Condé Nast Traveler, "5 Skincare Products That Protect Against Pollution," 4 Oct. 2019 In order to speed up the natural turnover of skin cells and get rid of uneven skin texture and coloring, dermatologists recommend retinol or other retinoids. Carolyn Twersky, Seventeen, "Here's How To Get Beautiful Glowing Skin Overnight," 1 Oct. 2019 Under SPF Unlike hydroxyacids or retinol, vitamin C does not make the skin more vulnerable to sunburn. Vogue, "Everything You Need to Know About Vitamin C," 19 Aug. 2019 Only retinol is allowed past the blockade, in small dosages, for acne control. Lauren Larson, Allure, "I Want an Elaborate Skin-Care Routine, But My Face Just Can't Take It," 4 Aug. 2019 After sunscreen, the skincare ingredient dermatologists most often recommend to keep signs of aging at bay is retinol. Megan Deem, Harper's BAZAAR, "The Benefits of Retinol," 23 July 2019 Being in my mid-40s, retinol really is the most important product for anti-aging. Hana Hong, Marie Claire, "The Secret to Jennifer Garner's Glowy, Ageless Skin," 8 Apr. 2019 An anti-aging night cream cream or serum with vitamin A or retinol before bed will help counteract fine lines, says David Leffell, M.D., a professor of dermatology and surgery at Yale University School of Medicine. Katherine Fung, Good Housekeeping, "Everything You Need to Know About Beauty Sleep," 15 Aug. 2019 But Perry’s alternative to anti-aging products like sunscreen and retinol cream is not really a smart strategy. Christina Oehler,, "Katy Perry Says She Uses Enemas to Prevent Aging—Here's Why That's Dangerous," 18 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retinol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of retinol

1960, in the meaning defined above

History and Etymology for retinol

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

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Time Traveler for retinol

Time Traveler

The first known use of retinol was in 1960

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Statistics for retinol

Last Updated

23 Nov 2019

Cite this Entry

“Retinol.” The Dictionary, Merriam-Webster Inc., Accessed 6 December 2019.

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More Definitions for retinol


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

Medical Definition of retinol

More from Merriam-Webster on retinol Encyclopedia article about retinol

Comments on retinol

What made you want to look up retinol? Please tell us where you read or heard it (including the quote, if possible).


very cautious or careful

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