Sensory analysis of four medical spa spring waters containing various mineral concentrations.

Background: Medical spa spring waters (MSSWs) have been extensively used as adjunctive treatments for various skin conditions to provide skin comfort. We carried out a double-blind study to compare the sensory profile of four MSSWs with increasing mineral content.

Methods: A panel of 36 women, trained to perform comparative sensory analysis, applied in pairs four MSSWs with mineral contents of 0.