retinoic acid

ret·​i·​no·​ic acid | \ ˌre-tə-ˈnō-ik- How to pronounce retinoic acid (audio) \

Definition of retinoic acid

: either of two isomers of an acid C20H28O2 derived from vitamin A and used in the treatment of acne:

Examples of retinoic acid in a Sentence

Recent Examples on the Web The best way to explain my avoidance is that my previously acne-prone self was introduced to retinol through its prescription cousin, Retin-A, also known as tretinoin or retinoic acid. Sarah Wu, Glamour, "Kate Somerville’s Glow-Boosting Moisturizer Cured My Fear of Retinol," 19 Aug. 2019 Retinoid is a blanket term that covers both OTC retinol, as well as prescription-strength forms of retinoic acid, like Tretinoin and Tazarotene. Megan Deem, Harper's BAZAAR, "The Benefits of Retinol," 23 July 2019 That’s because these medications are formulated to bind to only some receptors for retinoic acid. Sarah Jacoby, SELF, "Can People With Sensitive Skin Be in the Retinol Club, Too?," 30 Apr. 2019 Retinol, retinal, and retinoic acid are all types of retinoids, which are vitamin A derivatives. Tiffany Dodson, SELF, "7 Over-the-Counter Retinol Serums and Creams Dermatologists Highly Recommend," 30 May 2019 Retinol that converts to retinoic acid is the gold standard. Fiorella Valdesolo, WSJ, "3 Skincare Experts on Their Favorite Things," 23 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retinoic acid.' 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 retinoic acid

1960, in the meaning defined above

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The first known use of retinoic acid was in 1960

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Cite this Entry

“Retinoic acid.” The Dictionary, Merriam-Webster Inc., Accessed 7 December 2019.

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retinoic acid

ret·​i·​no·​ic acid | \ ˌret-ᵊn-ˌō-ik- How to pronounce retinoic acid (audio) \

Medical Definition of retinoic acid

: either of two isomers of an acid C20H28O2 derived from vitamin A and used especially in the treatment of acne:
a or all-trans-retinoic acid : tretinoin
b or 13-cis-retinoic acid : isotretinoin

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