retinoid

noun

ret·​i·​noid ˈre-tə-ˌnȯid 

: any of various synthetic or naturally occurring analogs of vitamin A

Examples of retinoid in a Sentence

Recent Examples on the Web

Since retinoids can cause dryness and further exacerbate eczema, consider applying a light moisturizer before or after the retinoid to help your skin tolerate the product. — Ayana Byrd, Allure, 17 Sep. 2026

Salicylic acid earns its place in thousands of cleansers, toners and spot treatments, but for readers already juggling retinoids, peptides and vitamin C, the question is less about whether to use it and more about how to fold it in. — Hanna Wickes, Fort Worth Star-Telegram, 16 Sep. 2026

Pick up a gentler, over-the-counter retinoid that won’t irritate your more sensitive skin, and will stimulate collagen production without exhausting your cells. — Maggie Ryan, Flow Space, 1 Sep. 2026

Sweat can contribute, too, as can night creams, retinoids, sunscreen, and hair products. — Caroline Lubinsky, Martha Stewart, 30 Aug. 2026

Word History

First Known Use

1976, in the meaning defined above

Medical Definition

retinoid

noun

ret·​i·​noid ˈret-ᵊn-ˌȯid 

: any of various synthetic or naturally occurring analogs of vitamin A

retinoid adjective