Skincare products are replete with technical-sounding, sometimes unpronounceable terms — like kojic acid, azelaic acid ... at the skin’s top surface layer called the epidermis.

If you're looking to update your active ingredient-packed skincare routine, why not take notes from Hailey Bieber AKA the ...

"Azelaic acid is used by dermatologists at prescription ... resulting in a compromised skin barrier (the outer layer of our skin, which protects against moisture loss), which essentially means ...

Farmacy Brighten Up 3% TXA Dark Spot Toner This juicy toner contains 3% tranexamic acid, as well as azelaic acid to soothe redness and 5% PHA to slough away dead skin cells. It’s essentially ...