You may require a blood test, as this is the main way doctors check for any vitamin deficiencies - some of which are linked ...

This type of dermatitis can also affect other areas of the body, such as the ears, eyebrows, center of the face, eyelids, upper chest, upper back, armpits, and groin area. If dandruff shampoo ...

But this grows back once you use a product or shampoo specifically for dermatitis of the scalp.” When dermatitis appears on the face it can be perioral dermatitis, with tiny red bumps that form ...