Stop smoking
Use a lip scrub 1–2 times per week
Exfoliate gently with a soft toothbrush or damp washcloth
Apply a moisturizing lip balm regularly
Use a lip balm with SPF 30 or higher
Stay hydrated
Use products with vitamin C, niacinamide, or licorice extract
Apply petroleum jelly or lanolin at night
Avoid licking or biting the lips
Use a retinoid product only if advised by a dermatologist
Try a gentle chemical exfoliant formulated for lips if appropriate
See a dermatologist for persistent darkening or irritation
Consider professional treatments such as laser therapy, chemical peels, or microneedling if recommended by a specialist