In general, there are three classes of acids that are used as exfoliants in skincare: AHAs, BHAs and PHAs. “AHA, BHA and PHA are different types of chemical peeling agents used in skin care ...

It can be easy to overdo it with skincare acids. Here, a skin expert explains the difference between AHAs and BHAs and the best way to use them. They might sound scary, but skincare acids have ...

“One of the most common issues I see is skin sensitisation and irritation from harsh topical products including AHAs and retinoids,” she says. “I always advise that although these active ...

Below are some of the best exfoliating ingredients in each of these categories. Alpha-hydroxy acids (AHAs) Alpha-hydroxy acids are water-soluble acids found naturally in fruit and milk.