The chamber test for assessing the irritancy of soaps entails five weekday exposures to 8% solutions with readings of scaling, redness, and Assuring on the following Monday. Eighteen well-known toilet soaps were evaluated. Great differences were noted. Most had an appreciable irritancy potential. These results contrast with a number of studies which failed to show differences among soaps or which concluded that soaps were innocuous.Le texte complet de cet article est disponible en PDF.