Use a lip balm with SPF daily
Exfoliate lips gently 1–2 times per week
Apply a moisturizing lip balm regularly
Avoid licking, biting, or picking lips
Stay hydrated
Stop smoking and avoid tobacco products
Limit exposure to sun and harsh weather
Remove lipstick and lip products before sleeping
Use a gentle lip product with ingredients like vitamin C, niacinamide, or licorice extract
Avoid products with irritating fragrances or strong flavors
Treat allergies or irritation from toothpaste, cosmetics, or foods
Consult a dermatologist if darkening is persistent or sudden