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

Examples of retinol in a Sentence

Recent Examples on the Web Fast-working ingredients such as retinol and salicylic acid target blemishes and fine lines for a beautifully smooth complexion. Mia Meltzer, Rolling Stone, 20 May 2024 An exfoliating product like retinol, commonly used as an anti-aging product, isn't necessary for those younger then 20 years old when collagen begins to decrease, experts say. Kinsey Crowley, USA TODAY, 15 May 2024 Using products containing retinols and acids at a young age can lead to eczema and irritant contact dermatitis, according to Sunil Dhawan, a dermatologist with the Center for Dermatology, which has locations in Milpitas and Fremont. Stephanie Lam, The Mercury News, 8 May 2024 Topical retinoids, like over-the-counter retinol and prescription tretinoin, can also treat wrinkles and texture by slowing the breakdown of collagen and increasing skin cell turnover. Medea Giordano, WIRED, 3 May 2024 See all Example Sentences for retinol 

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 20 Jun. 2024.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!