"When it comes to skin care, you'll either run into alpha hydroxy acids (AHAs) or [BHAs]," says Dr. Hu. "BHAs, like salicylic acid, are more oil-soluble, and AHAs are more water-soluble.

Meet mandelic, a super gentle acid that has all the hallmarks of other alpha hydroxy acids (AHAs) but crucially, without the risk of redness and irritation. Don’t be fooled by its softly-softly ...

Alpha hydroxy acids are a group of chemical compounds found naturally in fruits, milk, and sugar cane. The most common AHAs found in skincare products are glycolic acid (derived from sugar cane ...