Maintain a healthy body fat percentage
Eat a balanced, nutrient-dense diet
Drink enough water
Reduce excess sodium intake
Improve posture
Keep your tongue resting on the roof of your mouth
Chew sugar-free gum in moderation
Get regular sleep
Manage stress
Avoid smoking
Limit alcohol intake
Strengthen neck and jaw muscles safely
Keep your facial hair well-groomed
Practice good oral health
Use proper lighting and angles in photos
Consider professional cosmetic options if desired