The hot skincare ingredients for 2018 are PHAs (polyhydroxy acids). PHAs are similar to AHAs but are a much better option for those with sensitive skin. Here's all you need to know about the acids ...

and they are basically polyhydroxy aldehydes, polyhydroxy ketones or compounds that can be hydrolysed to them. These carbohydrates are the ultimate source of most of our food because we eat grain ...

And that's why the somewhat under-the-radar acid that's trending right now is the gentle giant known as polyhydroxy acid (PHA). PHAs are dubbed "the chill distant cousin" to AHAs, and they're ...

For this piece, she consulted dermatologists to learn more about polyhydroxy acids and their benefits in skin care.