[Clinical studies and pathogenesis of hairdresser's dermatitis].

Characteristically, hairdresser's dermatitis arises shortly after occupational exposure and tends to clear quickly following a change of professions. A large number of causative agents are usually found. There is a considerably higher incidence in females. The following factors play a major role in the pathogenesis of hairdresser's dermatitis alkalinity of the substances used, carelessness in handling the chemicals, mechanical trauma and constant wetting of the skin, and constitutional factors such as hyperhidrosis and dyshidrosis.