Are Lip Balms and Oils Causing Discoloration on Your Lips?
Aegean H. Chan, MD, dual board-certified dermatologist and dermatopathologist, practicing in Santa Barbara and Solvang, Calif., notes that pigmented contact cheilitis is underrepresented in medical literature, with only a handful of published case reports. This makes its true prevalence unclear, but it is likely more common than reported. She adds that delayed diagnosis is common…