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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This includes: salicylic acid, kaolin (commonly found in clay masks), sulfur, retinyl palmitate (a retinol derivative), and glycolic acid to smooth skin.
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Over-the-counter formulations with retinol, retinaldehyde, retinyl esters and oxoretinoids are also available, though less evidence supports their effectiveness.
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One of retinol’s key functions is in making your skin stick to its schedule for ditching old skin cells.
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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
Medical Dictionary
Learn More about retinol
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Britannica.com: Encyclopedia article about retinol
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