Maintain a calorie deficit to reduce overall body fat
Eat a balanced diet with lean protein, vegetables, fruits, and whole grains
Reduce sugar, refined carbs, and processed foods
Drink enough water throughout the day
Do regular cardio exercise such as walking, running, cycling, or swimming
Add strength training to build muscle and support fat loss
Practice good posture to help the neck and jawline appear more defined
Perform neck and chin exercises consistently
Limit alcohol intake
Get enough sleep each night
Manage stress to reduce weight gain and bloating
Chew sugar-free gum to keep jaw muscles active
Keep your head up and avoid slouching
Consider facial massage or lymphatic drainage
Use skincare and firming products if recommended by a professional
Consult a doctor about medical or cosmetic treatments if needed