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
In addition to broad-spectrum SPF 30 protection, the formula contains hydrating ingredients like ceramides, niacinamide, and hyaluronic acid to help moisturize the skin barrier.
—
Brigitt Earley, Glamour, 14 Mar. 2025
More medical grade skin-care brands are now creating products containing ceramides, niacinamide, and fatty acids to help strengthen and rebuild the skin barrier.
—Kiana Murden, Vogue, 13 Mar. 2025
Kojic acid and tranexamic acid work together to fade hyperpigmentation, while niacinamide helps smooth out bumps and supports your skin’s natural moisture barrier.
—Deanna Pai, Allure, 12 Mar. 2025
La Roche Posay’s moisturizer is made with nourishing ingredients like shea butter, niacinamide, and glycerin to lock in hydration for hours.
—Rylee Johnston, Travel + Leisure, 5 Mar. 2025
See All Example Sentences for niacinamide
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Brigitt Earley, Glamour, 14 Mar. 2025
More medical grade skin-care brands are now creating products containing ceramides, niacinamide, and fatty acids to help strengthen and rebuild the skin barrier.
—Kiana Murden, Vogue, 13 Mar. 2025
Kojic acid and tranexamic acid work together to fade hyperpigmentation, while niacinamide helps smooth out bumps and supports your skin’s natural moisture barrier.
—Deanna Pai, Allure, 12 Mar. 2025
La Roche Posay’s moisturizer is made with nourishing ingredients like shea butter, niacinamide, and glycerin to lock in hydration for hours.
—Rylee Johnston, Travel + Leisure, 5 Mar. 2025
See All Example Sentences for niacinamide
Cite this Entry
“Niacinamide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/niacinamide. Accessed 17 Mar. 2025.
Copy CitationKids 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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