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

It is infused with niacinamide and rice extract to improve your overall skin texture and illuminate your skin. —Mia Meltzer, Rolling Stone, 1 Nov. 2024

Other ingredients include niacinamide, a form of vitamin B3 that brightens the skin tone, and lactic acid to exfoliate dead skin cells and tighten the pores. —Jenny Berg, Vogue, 31 Oct. 2024

What makes Athena Club’s version different, however, is the addition of skin-care ingredients like hyaluronic acid, niacinamide, and peptides that penetrate the skin, thanks to the microdart design that delivers the actives directly when applied. —Karina Hoshikawa, refinery29.com, 28 Oct. 2024

This clear gel contains powerful hydrators like hyaluronic and tremella mushroom, along with caffeine and niacinamide (a popular brightening ingredient). —Sarah Y. Wu, Glamour, 23 Oct. 2024

Word History

First Known Use

1942, in the meaning defined above

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