that cause the natural color of lips to be affected. Dr. Mraz-Robinson explains that “hyperpigmentation on lips can present ...

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.

Less common white bump causes worth noting are: Flat warts: “These small, skin-colored bumps are caused by specific strains ...

Dark underarms may simply have to do with pigmentation and levels of melanin in the skin. But sometimes armpit discoloration ...

Both extreme heat and frigid temperatures can cause dryness and flaking, particularly on the lips, where skin is thin. For a lot of us, chapped lips are inevitable in the cold weather and dry air.