Maintain a calorie deficit
Eat more protein
Reduce sugary drinks and alcohol
Do regular cardio
Do strength training
Improve overall body posture
Keep your head and neck aligned
Stay hydrated
Get enough sleep
Reduce salt intake
Chew sugar-free gum
Practice chin and neck exercises
Manage stress
Consider facial fat loss through overall weight loss
Consult a doctor if swelling is sudden or unusual
Consider cosmetic treatments if needed