abstract:α-Hydroxy acids, or alpha hydroxy acids (AHAs), are a class of chemical compounds that consist of a carboxylic acid substituted with a hydroxyl group on the adjacent carbon. They may be either naturally occurring or synthetic.
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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 阿尔法羟酸