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niacinamide
noun
ni·a·cin·amide
ˌnī-ə-ˈsi-nə-ˌmīd
: a compound C6H6N2O of the vitamin B complex found especially as a constituent of coenzymes and used similarly to niacin
called also nicotinamide
Examples of niacinamide in a Sentence
Recent Examples on the Web
Meanwhile, niacinamide and vitamin E work together to help deeply condition lashes, preventing future breakage.
—
Conçetta Ciarlo, Vogue, 14 Feb. 2025
Other offerings include a serum concealer, blush, bronzer and illuminating sticks and liquid eye shadow, infused with ingredients such as caffeine, kojic acid, argan oil, vitamin E and niacinamide.
—
Noor Lobad, WWD, 11 Feb. 2025
Super Serum Body Wash contains a concentrated serum with beta hydroxy acid to gently exfoliate, plus collagen peptide, niacinamide and vitamins C and E. The result: brighter, hydrated, firmer, smoother and more even skin from the neck down.
—
Jackie Fields, People.com, 1 Feb. 2025
My routine is rich in niacinamide sunscreen, hyaluronic acid and ceramide cream, but no key antioxidant vitamins.
—
Essence, 7 Jan. 2025
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Word History
First Known Use
1942, in the meaning defined above
Dictionary Entries Near niacinamide
Cite this Entry
“Niacinamide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/niacinamide. Accessed 23 Feb. 2025.
Kids Definition
niacinamide
noun
ni·a·cin·amide
ˌnī-ə-ˈsin-ə-ˌmīd
: a compound of the vitamin B complex that is used like niacin
Medical Definition
niacinamide
noun
ni·a·cin·amide
ˌnī-ə-ˈsin-ə-ˌmīd
: a bitter crystalline basic amide C6H6N2O that is a member of the vitamin B complex and is formed from and converted to niacin in the living organism, that occurs naturally usually as a constituent of coenzymes, and that is used similarly to niacin
called also nicotinamide
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