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Definition of retinol
: the chief and typical vitamin A C20H29OH that is a highly unsaturated alicyclic alcohol used in various forms in medicine and nutrition
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Recent Examples of retinol from the Web
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Drink green tea to boost the skin’s antioxidant activity At night, use a retinoid such as retinol to minimize the sun’s damage.
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Darden’s creamy retinol serum works without peeling or reddening, to diminish dark spots and make your skin look smoother.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retinol'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of retinol
retin- + 1-ol; from its being the source of retinal
Medical Dictionary
Learn More about retinol
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Britannica.com: Encyclopedia article about retinol
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