Jaw slimming is a cosmetic approach to reducing the width of the lower face for a more refined and balanced appearance. A square or bulky jawline often results from enlarged masseter muscles, genetics, or excess fat in the lower face. Contributing factors such as teeth grinding, habitual jaw clenching, and aging can further enhance jaw prominence. Many individuals seek jaw slimming treatments to achieve a more delicate, V-shaped contour that enhances their natural facial harmony. In some cases, reducing the masseter muscles can also alleviate tension, discomfort, and headaches caused by excessive muscle activity.