Hydroxy acids are chemical exfoliants that are often used in skincare products to treat acne, sun damage, and a variety of other skin conditions. They are mainly split into two groups; Alpha-Hydroxy Acids (AHAs) and Beta-Hydroxy Acids (BHAs). However, more recently, Poly-Hydroxy Acids (PHAs) and AldoBionic Acids (BAs) have been added to the list. So what is AHA? What is BHA? And what is the difference between AHA vs BHA?
