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 Munavalli likes to treat acne with a topical prescription-strength retinol cream to clear clogged pores and decrease inflammation. Audrey Noble, Harper's BAZAAR, "How to Get Rid of Acne Scars—Forever," 21 Dec. 2020 The microcurrents diminish discoloration with the help of retinol, peptides, and niacinamides, which are all fused into the cloth sticker. Bianca Rodriguez, Marie Claire, "How to Get Rid of Dark Spots for Good," 28 Sep. 2020 This collection, which includes a body wash and a body conditioner, contains retinol. Blake Newby, Essence, "Keke Palmer On Sharing Her PCOS Struggles: 'I’m not going to let anybody struggle.'," 22 Dec. 2020 Over-the-counter treatments that contain benzoyl peroxide and salicylic acid are a great place to start, but if acne persists, ask your dermatologist about prescription medications like retinol, Aczone, or spironolactone. Audrey Noble, Harper's BAZAAR, "How to Get Rid of Acne Scars—Forever," 21 Dec. 2020 Combining hero ingredients such as retinol, vitamin C and hyaluronic acid with no-frills packaging, every serum, cleanser, moisturiser and oil is affordable and effective. Laura Sutherland, CNN Underscored, "Cyber Monday: The best deals in the UK," 29 Nov. 2020 These ingredients also balance the common side effects of retinol usage, including redness, dryness and flaking. Zoe Malin, NBC News, "New and Notable: Latest from Jupiter, Philips, Rails and more," 14 Dec. 2020 If all else fails, retinoids and retinol (a milder version), both vitamin A derivatives, can also be extremely effective in treating blackheads. Dori Price, Good Housekeeping, "How to Get Rid of Blackheads, According to Skincare Pros and Dermatologists," 1 Dec. 2020 Look for products containing ingredients like retinol or vitamin c that promote collagen production. Madge Maril, Harper's BAZAAR, "How to Get Rid of Laugh Lines With Five Expert-Approved Tips," 27 Nov. 2020

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.

See More

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

Keep scrolling for more

Learn More about retinol

Time Traveler for retinol

Time Traveler

The first known use of retinol was in 1960

See more words from the same year

Statistics for retinol

Last Updated

19 Jan 2021

Cite this Entry

“Retinol.” Dictionary, Merriam-Webster, Accessed 20 Jan. 2021.

Keep scrolling for more

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).


Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

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