If you have red or flaking skin near your nose or in your eyebrows than you have a skin disease called seborrheic dermatitis, more known as dandruff. Except around the nose and eyebrows, the disease affect your head scalp – this is the more often place where the dermatitis hits.
Seborrhea dermatitis is disorder which is chronic and inflammatory and affect often the skin and areas of the head and trunk that have sebaceous glands. A type of yeast that has an affinity for these glands called Pityrosporum ovale may be the cause, but this has not been proven yet. It is believed that the build-up of yeast in these glands irritates the skin causing redness and flaking.
Seborrhea has more often the men than women, and in general scheme it affect around 3 percent of the general population. It occurs more commonly in older people who are bedridden or have neurologic conditions such as Parkinson’s disease. Seborrhea also affects almost 85 percent of people with AIDS.
In principle the seborrhea dermatitis is not contagious disorder, but still you must be careful and do not use one comb or brush with another person.