Aging involves loss of superficial and deep fat pads from the face. Due to gravity skin migrates downloads and inwards giving the old appearance. Dcecreased synthesis of collagen also add to this process. Due to loss of volume from the face natural fold get deeper, for example nasolabial folds, marionette lines, fat loss in the cheeks.
To solve this problem dermal fillers are used along with the other treatment modalities. There are mainly two types of dermal filler absorbable and non-absorbable. Depending on chemical composition dermal fillers can be made up of hyaluronic acid, calcium hydroxyappetite, PLLA(poly L lactic acid), autogenous fat and polymethylmethacrylate