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, inflamed, or sandpapery, and often have white ...
This study examined the prevalence of toothpaste allergy as a cause of cheilitis among Israeli patients. We added the use of a toothpaste patch test to lower the rates of false-positive and false ...