Definition of alpha-hydroxy acid in English:

alpha-hydroxy acid

Syllabification: al·pha-hy·drox·y ac·id
Pronunciation: /ˌalfəhīˈdräksē ˈasid
 
/

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.
    More 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.

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Pronunciation: grəʊˈtɛskəri
noun
grotesque quality or grotesque things collectively