Medically reviewed by William Truswell, MD Actinic cheilitis (AC) is a precancerous lip lesion caused by ultraviolet (UV) exposure from the sun or indoor tanning beds. Lips may become very dry, ...

Actinic cheilitis is also called solar cheilitis because ... An over-the-counter antibiotic cream like Neosporin can help prevent infection. If a specific allergen or irritant is identified ...