Use lip balm with SPF daily
Apply a hydrating lip balm before bed
Exfoliate lips gently 1–2 times a week
Stay well hydrated
Avoid licking or biting your lips
Stop smoking and avoid tobacco
Limit caffeine and very hot beverages
Use a lip mask or petroleum jelly overnight
Remove lip makeup before sleeping
Choose lip products with moisturizing ingredients
Eat a balanced diet rich in iron and vitamins
Protect lips from sun and harsh weather
Avoid products that irritate your lips
Consult a dermatologist if darkening persists