Does Hyaluronic Acid Actually Hydrate Skin, or Just Sit on Top of It?
Hyaluronic acid can hydrate skin deeply — or pull moisture out of it — depending entirely on molecular weight and how it's applied. Here's how to get it right.
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Hyaluronic acid can hydrate skin deeply — or pull moisture out of it — depending entirely on molecular weight and how it's applied. Here's how to get it right.