Seborrheic dermatitis is a chronical, non-contagious and very common disease which affects people in any age, frequently babies and after the puberty, when there is greater activity of the sebaceous glands, by the action of puberty androgenic hormones, and in the newborn, due to the maternal hormones that are still present.
The most common seborrheic dermatitis is known as dandruff. Other common sites are: ears, face (forehead, eyebrows, sides of the nose, cheeks), chest, back, armpits and groins.
Treatments can control the disease, but cannot prevent it from recurring. One should avoid the ingestion of fatty food, alcoholic beverages and too hot baths. It is important take the medications as orientated by the dermatologist, at home and reapply them whenever the seborrheic dermatitis recur.