Slathering on lip balm day after day to no avail ... Mineral filters like zinc oxide and titanium dioxide can leave an undesirable white film over lip skin,” Fu said. “On the other hand ...

NEW YORK — A tube of lip balm may seem like the perfect antidote to dry, cracked lips. But do these over-the-counter products soothe flaking or can they make it worse? Though dry lips can happen ...