Facial hyaluronic acid injections are a type of cosmetic treatment that involves injecting a substance called hyaluronic acid into the skin to add volume, hydrate the skin, and smooth out fine lines and wrinkles. Hyaluronic acid is a naturally occurring substance found in the body that helps to retain moisture and plump the skin. The procedure is often performed by a dermatologist or plastic surgeon and typically takes 30 minutes to an hour. The results of facial hyaluronic acid injections can last anywhere from 6 to 18 months, depending on the type of product used and the individual's skin type
