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

Just glide the cooling, calming face stick across your skin to reap the rewards of niacinamide, aloe, caffeine, and seawater. —Annie Blackman, Allure, 24 Mar. 2025

Available in eight scents including Mango Mojo, Vanilla Velvet and more, its new $20 Power Essence Body & Hair Fragrance Mists are infused with hyaluronic acid, niacinamide and panthenol in an aim to hydrate skin and strands. —Noor Lobad, WWD, 11 Mar. 2025

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

Word History

First Known Use

1942, in the meaning defined above

Rhymes for niacinamide

• acrylamide
• procainamide
• sulfonamide
• sulphonamide
• acetazolamide
• polyacrylamide
• amide
• nicotinamide
• sulfanilamide

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