PHA: The Acid with Better Skin Benefits
Polyhydroxy acids (PHAs) are having a major skincare moment. Considered second-generation alpha-hydroxy acids (AHAs), PHAs work in a similar way. They break down and remove the “glue” that binds dead cells to the skin surface, revealing a brighter, plumper and smoother complexion. AHAs, beta-hydroxy acids (BHAs) and PHAs form the triumvirate of chemical skin exfoliants.
THE GENTLER EXFOLIANT
The most common PHAs are gluconolactone, galactose and lactobionic acid. As they have larger molecules
