humectant

noun

hu·​mec·​tant hyü-ˈmek-tənt 

: a substance that promotes retention of moisture

humectant adjective

Examples of humectant in a Sentence

Recent Examples on the Web

Featuring a jelly-serum-like consistency, the Jet Lag Deep Hydration Serum is filled to the brim with moisture-attracting components and potent humectants such as hyaluronic acid, squalane and glycerin. —Denise Primbet, Glamour, 21 Feb. 2025

Just take a peek at the CeraVe Hydrating Toner, which is available at virtually any drugstore and is jam-packed with impressive ceramides, lipids, humectants, and antioxidants. —Siena Gagliano, Allure, 23 Jan. 2025

Glycerin is another beneficial humectant ingredient. —Matt Fuchs, TIME, 6 Feb. 2025

Look for formulas with humectants like glycerin or aloe vera, which attract moisture, and lightweight emollients like shea butter, argan oil, or jojoba oil to soften and nourish strands. —Sarah Hoffmann, Allure, 22 Dec. 2024

Word History

Etymology

Latin humectant-, humectans, present participle of humectare to moisten, from humectus moist, from humēre to be moist — more at humor entry 1

First Known Use

circa 1867, in the meaning defined above

Rhymes for humectant

• expectant
• protectant
• disinfectant

Medical Definition

humectant

1 of 2 adjective

hu·​mec·​tant hyü-ˈmek-tənt 

: promoting the retention of moisture

humectant properties

humectant materials

humectant

2 of 2 noun

: a substance (as glycerol or sorbitol) that promotes retention of moisture