Get the facts on Dandruff with this 100%-accurate animated video. Part of Focus Apps' Understanding Disease: Dermatology series, the Dandruff app demonstrates this noncontagious scalp disorder caused by increased shedding of dead cells. Dandruff creates excessive flaking and itching of the scalp and affects people of all ages from babies to adults. Explore the causes, symptoms, diagnoses, and treatments of dandruff. Also included is helpful information on the prevention and management of acne.