Hyaluronic Acid Works — With One Trick

A great hydrator that can backfire if you use it wrong.

Hyaluronic acid is in half the serums on the shelf, and for good reason — but there's a catch worth knowing.

A moisture magnet

Hyaluronic acid can hold many times its weight in water, drawing moisture into the skin to plump it and soften fine lines. It's gentle, suits nearly all skin types, and plays well with other ingredients.

The dry-air catch

Here's the trick: in dry air, hyaluronic acid can pull moisture out of deeper skin instead of in from the environment — leaving skin drier. The fix is simple: apply it to damp skin and seal it with a moisturizer on top so the water stays put.

The move

Use a hyaluronic acid serum on slightly damp skin, then lock it in with a moisturizer. Done that way, it's one of the easiest, most reliable hydration boosts you can add.

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