Zoom in on your skin, and you will see several tiny structures. This section of human skin shows a detailed view of both hair follicles and sweat glands. Zoom in on your skin, and you will see several ...

Medically reviewed by Casey Gallagher, MD Armpit rashes often develop due to allergic reactions, infections, and chronic conditions. Rashes are common under the arms because the skinfold creates a ...

Medically reviewed by Susan Bard, MD Some causes of underarm rash include infection, allergic reaction, and inflammation.

It happens when hair follicles get blocked and nearby sweat glands get clogged and infected in areas where skin touches skin. This blockage creates large, thick pimples, or boils, that hurt ...

Hair serves an important cosmetic function for humans, and the hair follicle produces sweat gland products that help to control body temperature and release pheromones 3. Billions of people ...