It's understandable to feel surprised when you see a side-profile photo—we often notice features from angles we don't see every day. The good news is that there are several ways to improve jawline definition, but the best option depends on why the area lacks definition. From your photo, it appears that the appearance of your jawline may be due to a combination of factors, such as mild fullness beneath the chin, the position of your chin, and the natural contour of your neck and jaw. A comprehensive evaluation is important because treating only one of these factors may not produce the result you're hoping for. If the fullness under the chin is primarily fat, non-surgical treatments such as injectable fat-dissolving agents or liposuction may help improve the contour. Liposuction generally provides a more noticeable and immediate improvement when there is a well-defined pocket of fat and the skin has good elasticity. If your chin is slightly recessed, adding projection with a chin filler or a chin implant can dramatically improve the profile and create the illusion of a stronger, more defined jawline. Sometimes a relatively small increase in chin projection makes the neck appear slimmer without removing any fat. If there is loose skin or reduced skin elasticity, skin-tightening procedures using radiofrequency or ultrasound technology may provide modest improvement. However, these treatments are generally most effective for mild laxity and should not be expected to produce surgical-level results. In many patients, the best outcome comes from combining treatments. For example, improving chin projection while reducing submental fullness often creates a much more balanced and defined profile than either treatment alone. It's also important to evaluate whether there are structural factors, such as the position of the jaw or neck anatomy, contributing to the appearance. In some individuals, these skeletal features play a greater role than excess fat, and recognizing that helps set realistic expectations. Based on your photo, I would avoid assuming that a single treatment is the answer. A personalized approach that considers your chin projection, the amount of submental fat, skin quality, and overall facial proportions is much more likely to achieve a natural, harmonious result. The goal isn't simply to create a sharper jawline, but to improve facial balance while maintaining your natural appearance.