The practical study in this thesis involved the use of these techniques in a number of 30 cases that required after assessment different forms of regional facial augmentation, as malar, submalar, chin, mandibular angle, and paranasal augmentation. Or, they required correction of linear depressions, grooves, and wrinkles, as nasolabial, melolabial, marionette lines, Crow's feet and others. The most common complications of face augmentation was under correction, overcorrection, facial oedema, echymosis, allergic complications, and rarely but most seriously is the possibility of other organ injuries.