Stop smoking or using tobacco
Reduce caffeine intake
Stay hydrated
Use lip balm with SPF
Exfoliate lips gently 1–2 times per week
Avoid licking or biting your lips
Use a mild, fragrance-free lip moisturizer
Remove lip products before sleeping
Avoid harsh toothpaste or lip products with irritants
Eat a balanced diet rich in iron, vitamin B12, and folate
Treat any allergies or skin irritation
Protect lips from sun exposure
Use a dermatologist-recommended brightening treatment
Consult a doctor if discoloration is sudden or persistent