Learn when rashes signal medical emergencies. Color, location, and symptoms reveal dangerous conditions needing urgent care.

Beauty products -- everything from shampoo to makeup to cologne -- can help you feel on top of your game. They can also cause irritated skin or an allergic reaction. A dermatology study published ...

Skin rashes, after all, can have many different shapes, sizes, and colors—and they have many possible causes too. Often, though, a rash can point to an allergic reaction, which occurs when your ...

Below, we'll explore some common skin-care ingredients that cause allergic reactions and how you can spot them on the labels of your products. However, if you negatively react to a skin-care ...

An antibody is a protein your body produces to fight harmful substances. Blood tests are an option when skin testing isn’t ...

Learning to decode these reactions can transform your hair care routine and save your skin from unnecessary distress. Your scalp is essentially an extension of your facial skin, just with more ...

If your skin is dry or injured, it loses some of its natural protection against irritants. This means reactions can be harsher or happen more easily. Even products that say they're unscented could ...

but could it actually be irritating your skin? Here’s how to tell and what to do if you have an allergic reaction to sunscreen. However, for some people, applying certain types of sunscreen can ...

Your treatment will depend on the severity ... In addition, sunlight, water, and other hypersensitivities can trigger skin reactions in people with rare conditions. Whether you think you have ...

This “capture” and “recapture” process holds ink in place in the skin. But if your body has an allergic reaction to the ink, a red or pink thick, scaly area can form on your skin ...