The Surprising Truth About Hyaluronic Acid

Faith Xue

There are certain things that are accepted as hard truths within the beauty industry. Vitamin C can brighten dark spots, for example, or hyaluronic acid moisturizes—or does it? Turns out, there’s a lot about hyaluronic acid we weren’t aware of—like the difference between it and sodium hyaluronate (which is actually a salt rock). Or, that “99% hyaluronic acid” serum you’ve been slathering on really isn’t 99% hyaluronic acid at all, but rather a mixture of hyaluronic acid and water. We know—what?!

To help us decipher the skin wonders that are hyaluronic acid and sodium hyaluronate, we enlisted esthetician and Stacked Skincare founder Kerry Benjamin, who recently created her own hyaluronic acid serum and had plenty to share and debunk. Ahead, you’ll find out the surprising truth about this highly-touted ingredient—you might want to sit down first, though. Keep scrolling to see Benjamin’s take!

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