If the skin under your facial hair is often red, irritated, itchy or flaky, the culprit could be a condition called seborrheic dermatitis. This is the same condition that causes dandruff on the scalp, ...
The same condition that causes dandruff -- seborrheic dermatitis --also can cause a red and itchy beard. AndreyPopov Getty Images/iStockphoto If the skin under your facial hair is often red, irritated ...