Dr. Mraz-Robinson explains that “hyperpigmentation on lips can present itself as dark spots or as a more spread out patch on ...

Dark lips are an effect of sun exposure, excessive caffeine intake, hormonal imbalances, certain allergies or harmful UV rays. Smoking and cigarettes are one of the common most reasons for dark lips.

Mian. “It looks like a lacy pattern and is common across the cheeks, hairline, and the upper lip.” Before breaking down the ...