alpha hydroxy acid
noun Date: 1986 any of various carboxylic acids with a hydroxyl group attached at the alpha position; specifically one (as malic acid or lactic acid) that occurs in natural products (as fruits, sugar cane, or yogurt) and is used in cosmetics for its exfoliating effect on the surface layer of skin — called also AHA

New Collegiate Dictionary. 2001.

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  • alpha hydroxy acid — n any of various carboxylic acids with a hydroxyl group attached at the alpha position specif one (as glycolic acid, malic acid, or lactic acid) that occurs in natural products (as fruits, sugarcane, or yogurt) and is used in cosmetics for its… …   Medical dictionary

  • alpha-hydroxy acid — noun Any of various weak organic acids used in cosmetics • • • Main Entry: ↑alpha …   Useful english dictionary

  • Alpha hydroxy acid — α hydroxy acids, or alpha hydroxy acids (AHAs), are a class of chemical compounds that consist of a carboxylic acid substituted with a hydroxy group on the adjacent carbon. They may be either naturally occurring or synthetic. AHAs are well known… …   Wikipedia

  • alpha-hydroxy acid — noun Any hydroxy acid, of general formula RCH(OH)COOH, used in the cosmetic industry for their supposed property of reducing wrinkles …   Wiktionary

  • alpha hydroxy acid — noun : any of various carboxylic acids with a hydroxyl group attached at the alpha position ; specifically : one (as glycolic acid, malic acid, or lactic acid) that occurs in natural products (as fruits, sugar cane, or yogurt) and is used in… …   Useful english dictionary

  • alpha-hydroxy acid — noun Chemistry an organic acid containing a hydroxyl group adjacent to the carboxylic acid group, especially any of a group used in skincare preparations for their exfoliating properties …   English new terms dictionary

  • Alpha-Hydroxyglutaric acid — chembox new Name = alpha Hydroxyglutaric acid ImageFile=alpha hydroxyglutaric acid.png ImageSize=200px IUPACName=2 Hydroxypentanedioic acid OtherNames= Section1=Chembox Identifiers CASNo=2889 31 8 PubChem=43 SMILES=C(CC(=O)O)C(C(=O)O)O… …   Wikipedia

  • Beta hydroxy acid — A beta hydroxy acid (BHA) is an organic compound which contains a carboxylic acid functional group and hydroxy functional group separated by two carbon atoms. They are closely related to alpha hydroxy acids, in which the two functional groups are …   Wikipedia

  • (S)-2-hydroxy-acid oxidase — In enzymology, a (S) 2 hydroxy acid oxidase (EC number|1.1.3.15) is an enzyme that catalyzes the chemical reaction:(S) 2 hydroxy acid + O2 ightleftharpoons 2 oxo acid + H2O2Thus, the two substrates of this enzyme are (S) 2 hydroxy acid and O2,… …   Wikipedia

  • alpha-Pyrrolidinopentiophenone — Systematic (IUPAC) name 1 phenyl 2 (1 pyrrolidinyl) 1 pentanone Clinical data Pregnancy cat …   Wikipedia

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