How long does hyaluronic acid filler last?

The effects of hyaluronic acid fillers typically last from 6 months to 1 year, with exact duration varying from person to person.

Hyaluronic acid is a naturally occurring substance in the human body, primarily found in the skin, joints, and eyes, where it serves moisturizing and filling functions. As people age, the body's hyaluronic acid levels gradually decline, leading to loss of skin elasticity and the appearance of wrinkles. As a form of minimally invasive cosmetic procedure, hyaluronic acid filler injections involve delivering hyaluronic acid into specific areas of the skin to immediately improve skin appearance, reduce fine lines and wrinkles, and enhance skin elasticity and luster.

The effects of hyaluronic acid fillers typically last from 6 months to 1 year, with exact duration varying individually and depending on multiple factors, including a person's metabolic rate, lifestyle, injection site, and the type of hyaluronic acid used. For example, hyaluronic acid used for lip augmentation may break down more quickly due to frequent movement of the area, so the effects may last only a few months. In contrast, hyaluronic acid used to fill nasolabial folds or the forehead may last longer.

Post-procedure care should follow the doctor's recommendations, such as avoiding pressing or rubbing the injection site, keeping the area clean and dry, and preventing infection. Proper sun protection measures for the skin should also be taken to avoid excessive ultraviolet exposure, which can help prolong the effects of hyaluronic acid.