But those with sensitive skin should consider mandelic acid, as it's coming to the forefront of skincare acids. Dr. Fred Weksberg, MD, a board-certified dermatologist at Dermapure, tells ESSENCE ...

Hearing the word "acid" or "chemical" in any type of skincare product can be daunting, but we promise it's not. Hyaluronic acid, for example, is actually produced naturally by the human body and is a ...

Mandelic acid is a type of alpha hydroxy acid (AHA ... that gives skin its bounce”, says Dr Wei Chen, senior manager of R&D at DCL. Yes. This is because it’s gentler than glycolic and lactic ...

Chemically, an amino acid is a molecule that has a carboxylic ... Each of the 20 amino acids has a specific side chain, known as an R group, that is also attached to the α carbon.