That’s why the best polyhydroxy acid products are just as valuable in addressing several skin issues like dryness, dullness, acne, pigmentation, and wrinkles.īut PHAs are unique and full of surprises! And understanding how they work and how they differ from AHAs and BHAs will help you better utilize them. And they’re just as special! Just like the rest, PHAs are effective in exfoliating the skin and increasing epidermal skin turnover. Polyhydroxy acids stand right next to alpha-hydroxy acids (AHAs) and beta-hydroxy acids (BHAs). I think it’s time people stopped treating polyhydroxy acids (PHAs) like the kid who got the participation trophy.
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