Hyaluronic acid fillers are a type of dermal filler used in cosmetic procedures to add volume and reduce the appearance of wrinkles and fine lines in the skin. Hyaluronic acid is a naturally occurring substance in the human body that helps to hydrate and plump the skin. When used as a filler, it is typically derived from a synthetic or bio-fermentation process.

These fillers are primarily used to enhance facial features, restore lost volume, and reduce the signs of aging by filling in wrinkles and lines.

The procedure involves injecting hyaluronic acid gel into the targeted areas of the face using a fine needle or cannula. Common treatment areas include the lips, cheeks, nasolabial folds (smile lines) and marionette lines. The results are immediate, and patients often see a noticeable improvement in their appearance after the procedure. However, there may be some swelling and redness initially, which typically subsides within a few days.