Fillers contain a body-specific substance that contains hyaluronic acid. Hyaluronic acid is a natural sugar that facilitates cell division, transports nutrients, lubricates joints and makes the skin elastic. Fillers are injected into the skin for the treatment of wrinkles and scars, facial contouring and lip augmentation. How much filler is used and at what depth it is placed depends on which part of the body is being treated and how much filler you want to achieve? The effect lasts between three to twelve months. The result is visible immediately and develops over a few days as the hyaluronic acid binds to water.