Fig. 4

A 32-year-old patient receiving fat grafting with the device (left face) and the traditional hand-push injection (right face): (a–c) Preoperative view. (d–f) Postoperative view 10 months after fat grafting to the frontalis, tear trough areas, submalar region, nasolabial and marionette folds, lower mandible, and lips. The contour line of the left cheek and mandible is smoother and softer than the right side