For the cleansing of eczematous skins, dermatologists have found the sulfated oils less irritating than soap because (1) they have a relatively low pH and (2) they contain no saturated fatty acids of low molecular weights. Lane and Blank and other investigators have reported satisfactory results from the use of similar detergents. The sulfated oils do not lather, but they clean satisfactorily by virtue of their ability to emulsify and suspend the oils of the skin and various types of external soil. Because of this ability to emulsify other oils and greases, dermatologists use them not only for cleansing per se but for removing ointments from the cutaneous surface.
Eczema of the external auditory canal is similar to eczema of glabrous skin. Patients with eczema of the auditory canal, however, are usually treated by otologists rather than dermatologists. They face the problem not
LITTLE RP. USE OF SULFATED OIL FOR CLEANSING THE EXTERNAL AUDITORY CANAL. Arch Derm Syphilol. 1946;53(1):19. doi:10.1001/archderm.1946.01510300022004
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