alpha-hydroxy acid

/AE1 L F AH0 AY1 D R OW1 K S IY0 AE0 S AH0 D/
noun
  1. 1

    Any hydroxy acid, of general formula RCH(OH)COOH, used in the cosmetic industry for their supposed property of reducing wrinkles.

Source: https://en.wiktionary.org/wiki/alpha-hydroxy%20acid