Clinical Anatomy of the Lower Face for Filler Injection
摘要
Filler injection on the lips is often conducted to reduce lip wrinkles, to refine the vermilion border and philtrum, to have voluptuous lip, and to reshape lip contour such as mouth corner elevation. More specifically, filler treatment can reduce the presence of vertical lip wrinkles (smoker lines) that start on the vermilion border as an aging.