Thank you for your question and for sharing your photo. You do appear to have significant fullness beneath the chin and through the neck, but it is not possible to determine the cause from a photograph alone, and I would not assume that this represents simply excess fat. Before considering cosmetic surgery, an in-person medical evaluation would be appropriate to determine the source of the fullness and whether any further medical workup is indicated. Neck fullness can have both cosmetic and medical causes, including thyroid enlargement or other conditions that cannot be assessed adequately from photographs. Depending on the history and physical examination, a treating physician may recommend additional evaluation, imaging, laboratory testing, or referral to an appropriate specialist. If medical causes have been excluded, the anatomical contributors to cosmetic neck fullness can then be assessed. These may include subcutaneous fat above the platysma, deeper fat beneath the platysma, platysma anatomy, skin laxity, submandibular glands, and underlying jaw, chin, and hyoid anatomy. Your photograph appears to show fullness extending into the lower anterior neck, which is another reason I would recommend an in-person evaluation before assuming this is simply excess submental fat. If you are cleared from a medical perspective, and a cosmetic examination demonstrates predominantly superficial fat with good skin elasticity, neck liposuction may be an option. If deeper anatomical structures are contributing, a deep neck lift or another approach may be considered. In some patients, a combination of techniques is appropriate. After appropriate medical evaluation, consultation with a plastic surgeon experienced in face and neck surgery can help determine whether you are a candidate for cosmetic treatment and which approach is best suited to your anatomy and goals. The goal is not simply to remove as much fat as possible. It is first to determine what is causing the neck fullness, and then determine whether treatment is indicated and which treatment can address it safely.