Congested skin is a common issue that occurs when dead skin cells, oil, sweat, and dirt block the pores, leading to a dull appearance or acne. Here’s what you can do to treat it.

As contact dermatitis is a dose-dependent phenomenon, each exposure adds to the cumulative dose (Friedmann, 1990). Nickel is the number one allergy internationally (Saripalli, Achen, & Belsito ...

Medically reviewed by Brendan Camp, MD Hyperpigmentation (skin that is darker than the surrounding skin) in the underarms can have several causes. Acanthosis nigricans (AN) is a common cause. AN ...