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

Aharon says this hydrating concealer—which also contains hyaluronic acid and niacinamide—melts right in, doesn't crease, and leaves you with a natural, second-skin finish that won't look cakey. —Angela Trakoshis, Allure, 23 Dec. 2024

Enriched with vitamin C, hyaluronic acid, and niacinamide, this hydrates, plumps, and brightens skin to prep for makeup and impart a warm glow. —Kiana Murden, Vogue, 16 Dec. 2024

This is thanks to the fact that this pick is chock full of exfoliating ingredients including salicylic acid and niacinamide to gently exfoliate and nourish, plus argan oil that keeps the hair looking and feeling hydrated and healthy without weighing it down. —Kristine Thomason, Glamour, 9 Dec. 2024

The moisturizing eye patches are infused with caffeine, hyaluronic acid, and niacinamide. —Claire Rutter, Rolling Stone, 5 Dec. 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