Use lip balm with SPF daily
Exfoliate lips gently 1 to 2 times per week
Stay well hydrated
Avoid smoking and tobacco use
Limit excessive caffeine and staining foods or drinks
Remove lipstick and lip stains thoroughly
Use a gentle lip scrub
Apply a nourishing lip mask at night
Use products with vitamin E, shea butter, or hyaluronic acid
Avoid licking or biting your lips
Protect lips from sun exposure
Consider products with niacinamide or licorice extract
Treat any underlying allergies or irritation
Consult a dermatologist if darkening is persistent