a type of organic acid, commonly used in skin-care preparations, that has a hydroxyl group attached to the carbon atom next to the carbon atom carrying the carboxyl group
Examples of 'alpha-hydroxy acid' in a sentence
alpha-hydroxy acid
These are alpha hydroxy acids, usually glycolic acid, which acts as an exfoliator.
Times, Sunday Times (2012)
Choose your scrub wisely by looking for something with alpha-hydroxy acids and/or glycolic acid.