ret·​i·​noid | \ ˈre-tə-ˌnȯid How to pronounce retinoid (audio) \

Definition of retinoid

: any of various synthetic or naturally occurring analogs of vitamin A

Examples of retinoid in a Sentence

Recent Examples on the Web Retinol is a form of retinoid that comes stacked with vitamin A and helps skin recover from signs of aging and even acne. Grooming Playbook, The Salt Lake Tribune, 24 May 2022 For example, most wrinkle cream or serum comes with a retinoid ingredient, but both lose their effectiveness when mixed or added with AHAs or benzoyl peroxide. Grooming Playbook, The Salt Lake Tribune, 24 May 2022 The concept is novel in that tretinoin and BPO haven't been used together in the same formula previously, but the concept of retinoid and benzoyl peroxide isn't exactly new. Kirbie Johnson, Allure, 1 Apr. 2022 To begin with, apply your retinoid two to three times per week and gradually build up to every night or every other night, pair it with an acne-friendly moisturizer to reduce irritation, and be diligent about applying sunscreen in the morning. Krissy Brady, SELF, 7 Dec. 2021 In addition to Retin-A and Tazorac, many experts also recommend over-the-counter products like Differin that contain adapalene (a synthetic retinoid) as a main ingredient for spot treating acne. SELF, 30 Dec. 2021 First, eliminate any products that may cause irritation, and consider using a retinoid. Kiana Murden, Vogue, 26 Jan. 2022 Like retinol, this compound is a naturally occurring retinoid that the body converts to retinoic acid. Sarah Jacoby, SELF, 27 Dec. 2021 Garshick points to a study that showed that aloe vera combined with tretinoin, the most bioavailable retinoid that's often prescribed for topical treatment of acne (commonly as Retin-A), was more effective than tretinoin alone for acne lesions. Marci Robin, Allure, 7 Aug. 2021 See More

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

First Known Use of retinoid

1976, in the meaning defined above

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Time Traveler for retinoid

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The first known use of retinoid was in 1976

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Dictionary Entries Near retinoid

retinoic acid



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Last Updated

23 Jun 2022

Cite this Entry

“Retinoid.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2022.

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More Definitions for retinoid


ret·​i·​noid | \ ˈret-ᵊn-ˌȯid How to pronounce retinoid (audio) \

Medical Definition of retinoid

: any of various synthetic or naturally occurring analogs of vitamin A

Other Words from retinoid

retinoid adjective


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