ret·i·nol | \ˈre-tə-ˌnȯl, -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

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Try Avène’s TriAcnéal, an intense blend of retinaldehyde (a form of vitamin A that’s more potent than retinol, but not as powerful as a prescription) and glycolic acid. Ashley Weatherford, The Cut, "Is This Vitamin the Secret to Smooth Skin?," 10 July 2018 For example, retinol and other exfoliating ingredients—salicylic acid, glycolic acid, and benzoyl peroxide—should not be used at the same time because the skin can get really dry. Rachel Jacoby Zoldan, SELF, "The 9 Best Skin-Care Tips I’ve Learned in 10 Years of Being a Beauty Editor," 13 July 2018 Also, load up on that SPF, because retinol can increase the risk of sunburn. Deanna Pai, Redbook, "6 Tiny Skincare Tweaks for Crazy-Gorgeous Skin," 25 Apr. 2017 The same can't be said for the derivatives called pro-retinols (a.k.a. Brooke Le Poer Trench, Allure, "11 Retinol Myths That Derms Want You to Stop Believing," 13 June 2018 Without retinol, peels, serums — would my face start sliding away, like that notorious melting Nazi in the first Indiana Jones film? Amber Sparks, The Cut, "Rediscovering Vanity, As a Mom," 21 May 2018 Look for retinol, every dermatologist’s favorite fixer, as well as peptides to rev up your skin’s collagen engine. Alexandra Tunell, Harper's BAZAAR, "How to Minimize Your Pores," 20 July 2017 Derms agree that the skin repairs itself overnight, so things like retinol and thick moisturizer are best used in the evening. Rachel Jacoby Zoldan, SELF, "The 9 Best Skin-Care Tips I’ve Learned in 10 Years of Being a Beauty Editor," 13 July 2018 But because retinol causes a quick turnover of skin cells, flaky skin might result. Adam Hurly, GQ, "How to Fix Your Dehydrated Skin," 3 July 2018

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.

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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

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Last Updated

14 Sep 2018

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The first known use of retinol was in 1960

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More Definitions for retinol


ret·i·nol | \ˈret-ᵊn-ˌȯl, -ˌōl \

Medical Definition of retinol 

More from Merriam-Webster on retinol Encyclopedia article about retinol

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to reject or criticize sharply

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