Smoking often leads to dark, pigmented lips, which can be a major concern. After all, no one wants patchy, discolored lips.

A few identifiable signs include: What Is Lip Cancer And How Long Does It ... indicating the shades of brown or black with patches of pink, red, white, or blue. Doctors say a large brownish ...

Background: The most common differential diagnoses for patients presenting with lip dermatitis or inflammation include atopic, allergic, and irritant contact dermatitis. Patch testing can be ...