retinol

American  

[ret-n-awl, -ol] / ˈrɛt nˌɔl, -ˌɒl /

noun

1. vitamin A.

2. Chemistry. a yellowish oil, C 3 2 H 1 6 , obtained by the distillation of resin, used as a solvent and as an antiseptic.

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retinol British  

/ ˈrɛtɪˌnɒl /

noun

1. another name for vitamin A2

2. another name for rosin oil

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retinol Scientific  

/ rĕt′n-ôl′ /

1. See vitamin A

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Etymology

Origin of retinol

First recorded in 1830–40; from Greek rhētī́n(e) “resin” ( resin ) + -ol ¹

Example Sentences

She recommends focusing on how high up the active ingredient - the one that triggers the effect, like retinol or vitamin C - is in the ingredients list.

From BBC

Avoid products containing potent alpha hydroxy acids, beta hydroxy acids and retinol, Galamgam said.

From Los Angeles Times

Since then, I’ve religiously followed a retinol and sunscreen regime, but I still found the bags under my eyes growing and growing.

From Los Angeles Times

Ingredients like retinol or skin care routines that involve multiple steps may not be suitable for people in their teens, they note.

From New York Times

One result of retinol biology remaining obscure for so long is that retinoid and vitamin A applications have long produced confusing results.

From Science Daily