Q. I have psoriasis on my scalp and other places I have hair. My case is so severe that it causes never-ending itching and pain. I pick at my scalp until it bleeds. My dermatologist took me off ...

They tend to stay in the facial area, including your nose, cheeks, chin, eyelashes, eyebrows, and scalp. They might also ... leading to demodicosis – the infection that causes skin inflammation.