What causes an undefined jawline that blends into the neck, and what should be done about it?

In general, the lack of a defined jawline that blends into the neck may be caused by facial laxity, fat accumulation, genetic factors, lifestyle habits, or pathological conditions. This can be improved through aesthetic medical treatments such as botulinum toxin type A injections, Thermage, thread lifting, liposuction, and mandibular angle整形 surgery.

Facial laxity is often due to aging and reduced skin elasticity, leading to a blurred jawline, which can be improved with localized massage and lifting techniques. Fat accumulation may result from being overweight, causing excess fat deposition under the chin and neck; this can be addressed by reducing high-calorie food intake and increasing aerobic exercise. Genetic factors typically involve inherited traits that lead to a naturally less-defined jawline, which can be corrected with botulinum toxin type A injections or mandibular angle整形. Poor lifestyle habits—such as prolonged periods of looking down—can negatively affect jawline definition. It's important to avoid extended screen time on phones or computers and to perform regular facial massages. Pathological causes, such as lymph node enlargement or tumors, may also cause the jawline to disappear and should be evaluated and treated medically.

Analysis of Jawline Enhancement Procedures:

When choosing a method to enhance the jawline, it is recommended to make a comprehensive decision based on individual circumstances, budget, and professional medical advice.