When you inject a special type of hyaluronic acid with tiny particles into your skin, it can make your skin feel firmer and more hydrated—without making it look puffier—so it’s doing something more...

When you inject hyaluronic acid just under the skin, it makes your skin feel more hydrated, bouncier, and smoother—and scientists use this as a gold standard to see if taking hyaluronic acid pills does anything similar.

Putting hyaluronic acid under the skin with a special stamp-like tool doesn’t make skin bouncier than using a fake treatment, which means how moist your skin is and how elastic it is might be two separate things.

Hyaluronic acid is a natural substance in your skin that acts like a sponge, soaking up water to keep your skin plump and bouncy.

Getting hyaluronic acid injections in your face might make your skin look and feel more hydrated, firmer, smoother, and less tired-looking, according to some small studies in adults between 25 and 75.