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According to dermatologists, there are major benefits.
So what is PHA?
Liz deSousa for BYRDIE
We spoke to experts to learn more about one of the largest skincare acids in the game.
Meet the Experts
Keep reading to learn more about PHA and why it should be in your skincare lineup.
How often can you use it:To start, try using PHAs three times a week.
Works well with:Other acids in low concentrations.
Don’t use with:Other acids in very high concentrations, retinoids if you’re particularly sensitive.
What Is PHA?
“PHAs (Poly-hydroxy acids) fall under the AHA family.
They are much larger in size compared to the more common AHAs like glycolic and lactic acids.
Examples of PHAs arelactobionic acidand gluconolactone.
Essentially, their benefits are the same as AHAs,“explains Ng.
They tend to be less sensitizing and gentler as compared to other chemical exfoliants.
“Think of these like a light and bright peeling agent that is more user-friendly.
As always, start off slow and see how you go.
Then you have your BHAs, or beta-hydroxy acids, which is where salicylic acid can be found.
And then comes PHAs or poly-hydroxy acidsthe new-gen AHAs if you will.
“PHAs can be found in facial pads, toners, and even leave-on lotions.”
It’s why they’re so beloved, and such an easy ingredient to use.
However, they are still acids, so if you have sensitive skin, do a patch test.
Skin Considerations
The best part?
How to Use It
PHAs are used in a ton of products and a few different ways.
A lot of AHA solutions will have PHAs in them to clean up the surface-level debris AHAs miss.
And sometimes, PHAs are the main selling point.
PHA can be combined with retinoids when treating acne or photoaging.
PHA can be used in conjunction with hydroquinone to improve skin pigmentation and aging.
Yes, for many people PHAs are safe to use every day.
Products with PHA can likely be used twice a day.
It may be best to begin using it as part of your nightly routine.
Yes, PHA can likely be used simultaneously with salicylic acid for a do-it-all skincare approach.
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