Number of skin reactions to 2% concentration at ... TEA-Quat = dialkyl ester of triethanol ammonium methyl sulfate. *Only the 183 patients examined at St. John's Institute of Dermatology (London ...

Background: Alkyl ester quaternary ammonium compounds (ester quats) are used extensively in fabric rinse conditioners. It is important to document in the literature the outcome of historical ...