Unlike eczema, in which the skin lacks moisture, dermatitis seborrheic is a condition caused by the overproduction of oil glands. Small reddened patches that flake are often the first indication of the condition, which may develop in infants or adults. This condition is most commonly known as dandruff.

Usually, dermatitis seborrhea develops as cradle cap in infants. The scalp is usually covered with thick, yellow scales that are often crusty and difficult to remove. Although not attractive, it usually does not cause infection or itching, and most children outgrow the condition by the age of three.

In adults, dermatitis seborrheic can manifest as patches of red, flaking skin. The condition often occurs in an adult