Regularly perform exercises that target the muscles in your jaw and neck.
Maintain proper posture to help define your jawline and reduce the appearance of a double chin
Gently massage your chin and neck area to improve blood circulation and tone the muscles
Incorporate neck stretches into your daily routine to help strengthen and tone the muscles
Maintain a balanced diet and watch your calorie intake to prevent excess weight gain
Drink plenty of water to keep your skin hydrated and promote overall skin health
Use makeup techniques, such as contouring, to create the illusion of a more defined jawline
Consider consulting with a dermatologist or plastic surgeon for treatment options like Kybella or liposuction