An 'invisible disease' that half a million people live with in the United Kingdom could be caused by a scaly skin condition that three percent of the world's population have. Known as psoriasis, the ...

He adds that a severe lack of B vitamins (such as B6, B3, and B12) tends to cause perioral or periorbital dermatitis (itchy, ...

Perioral dermatitis is an inflammatory rash involving the skin around your mouth ... The bumps may be scaly in appearance. They can also appear in the area under the eyes, on the forehead ...