Definition of alpha-hydroxy acid in English:

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alpha-hydroxy acid

Pronunciation: /ˌalfəhīˌdräksē ˈasəd/

noun

Chemistry
An organic acid containing a hydroxyl group bonded to the carbon atom adjacent to the carboxylic acid group. A number of such compounds are used in skin-care preparations for their exfoliating properties. Also called fruit acid.
Example sentences
  • Chemicals related to vitamin A such as tretinoin (eg Retin A cream) and chemical peels containing alpha-hydroxy acids (eg glycolic and lactic acids) are commonly used for this.
  • Nonchemical exfoliators such as alpha-hydroxy acids and beta-hydroxy acids loosen dead skin cells so they slough off more efficiently.
  • Exfoliating scrubs and chemicals like alpha-hydroxy acids and retinoids (including retinol, Retin-A and Renova) can leave skin smooth and glowing because they eliminate dull, dead cells on the skin's surface.

For editors and proofreaders

Syllabification: al·pha-hy·drox·y ac·id

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