Use of sorbitan sesquioleate in patch test preparations and patch testing with the substance-What do our results mean?
BACKGROUND: Sorbitan sesquioleate (SSO) is a sorbitan fatty acid ester, an emulsifier used in topical products and certain patch test preparations. SSO may affect the patch test results. It has been debated whether to include the substance in the baseline series to avoid misinterpretation of the results.OBJECTIVES: To report the prevalence and simultaneous reactions of SSO with other patch test pr
