Objective: We examined whether individuals allergic to PPD will tolerate PPD-free hair dyes containing PTDS. Methods: A retrospective analysis of patch-test results since October 2006 was done and ...

Discover crucial information about hair coloring to avoid damage, achieve your desired look, and maintain healthy hair during ...

Allergy testing should be done in a provider's ... a prescription from your healthcare provider. Some people who color their hair have an allergic reaction to the dye. The most common reaction ...

In our study, only 1 of 27 individuals who tested negative for allergy to PTDS had positive reactions to any of the other substances in the hair dye series. One limitation of our study is that ...