allantoin

noun
al·​lan·​to·​in | \ ə-ˈlan-tə-wən How to pronounce allantoin (audio) \

Definition of allantoin

: a crystalline oxidation product C4H6N4O3 of uric acid used to promote healing of local wounds and infections

Examples of allantoin in a Sentence

Recent Examples on the Web The Rael Vitamin C Sheet Mask includes two out of three, as well as soothing allantoin. Devon Abelman, Allure, 15 Apr. 2020 The Best of Beauty Award winner is spiked with exfoliating retinoids and lactic acid, alongside soothing allantoin for gentle-yet-effective results. Devon Abelman, Allure, 20 Jan. 2020 Ingredients like colloidal oatmeal and allantoin also calm irritation, especially around my nose and cheeks. Emily Rekstis, SELF, 8 Nov. 2018 If your scalp feels tight and dry and the length of your hair is brittle, mix and match a soothing glycerin or allantoin mask with a keratin treatment. Elizabeth Siegel, Allure, 16 May 2018 QUENCH RAZOR BURN Billy Jealousy Shaved Ice after-shave balm, $25; billyjealousy.com Peppermint oil delivers instant cooling, but the real stars here are soothing oat kernel extract and allantoin. Aja Mangum, Bloomberg.com, 17 May 2017 QUENCH RAZOR BURN Billy Jealousy Shaved Ice after-shave balm, $25; billyjealousy.com Peppermint oil delivers instant cooling, but the real stars here are soothing oat kernel extract and allantoin. Aja Mangum, Bloomberg.com, 17 May 2017

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

1837, in the meaning defined above

History and Etymology for allantoin

probably from German, from New Latin allantois + German -in

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Time Traveler for allantoin

Time Traveler

The first known use of allantoin was in 1837

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Dictionary Entries Near allantoin

allantoidean

allantoin

allantoinase

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Cite this Entry

“Allantoin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allantoin. Accessed 27 Jan. 2022.

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More Definitions for allantoin

allantoin

noun
al·​lan·​to·​in | \ ə-ˈlan-tə-wən How to pronounce allantoin (audio) \

Medical Definition of allantoin

: a crystalline oxidation product C4H6N4O3 of uric acid used to promote healing of local wounds and infections

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