Filler substances are injected in to the skin in order to replace lost volume or to increase existing volume. Frequently used for the nasolabial folds, lips, and perioral area. Fillers are also used in non facial areas as well such as in aging, dorsal hands or other areas of atrophy. Commonly used fillers are hyaluronic acid based temporary fillers which required to be supplemented once in 9-12 moths.
