ret·​i·​nol ˈre-tə-ˌnȯl How to pronounce retinol (audio)
: the chief and typical vitamin A C20H29OH that is a highly unsaturated alicyclic alcohol used in various forms in medicine and nutrition

Example Sentences

Recent Examples on the Web As the name suggests, this product is part of La Prairie’s unmatched Skin Caviar collection, which harnesses the age-reversing powers of caviar extract—an ingredient whose benefits, according to the brand, can rival retinol. Adam Hurly, Robb Report, 16 May 2023 Best Retinol Aramore Retinol Peptide Booster $185 at Credit: Codeveloped by former Harvard and MIT scientists, this cream pairs retinol with ingredients that stimulate the body’s natural renewal process to target all the mechanisms of skin aging. Women's Health, 9 May 2023 Smoothing Serum This water-like Innisfree serum delivers the gold standard texture-refining ingredient retinol along with nourishers like hyaluronic acid, ceramides and niacinamide and the soothing herb cica to keep even reactive complexions balanced. Good Housekeeping, 20 Apr. 2023 Helen points out that retinol can actually cause more harm than good. Megan Decker,, 11 Apr. 2023 The Retinol Serum contains pure retinol, which is clinically proven to reduce the appearance of wrinkles, deep lines, acne scarring and hyperpigmentation by accelerating cellular turnover while being gentle on sensitive skin. Danielle Directo-meston, The Hollywood Reporter, 6 Apr. 2023 From the most potent vitamin C's and reliable anti-aging serums, to at-home chemical peels and retinol creams, and perhaps even a hydrating face mask, there are certain ingredients and formulations that stand the test of time. Town & Country, 17 Mar. 2023 Those girls, who should probably be using retinol creams by now, and might want to consider adding more fiber to their diets. Maura Judkis, Washington Post, 1 Mar. 2023 And while Kiehl's has steadily expanded its roster of products in the past decade (think: Vitamin C serums and retinol night creams), the brand has kept its bestselling products mostly unchanged. Christian Gollayan,, 18 May 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'retinol.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

Dictionary Entries Near retinol

Cite this Entry

“Retinol.” Dictionary, Merriam-Webster, Accessed 30 May. 2023.

Kids Definition


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

Medical Definition


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

More from Merriam-Webster on retinol

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