The vast majority of reactions to hair-dye products are caused by PPD. [4–6] In past years ... least 1.5 years with the PTDSbased hair dyes without any adverse reactions. We recommend that ...

Arctic Fox's semi-permanent hair dye — recommended by Dr. Lal — comes in various colours from blue to hot pink. The dye is ammonia-free, PPD-free ... to use retinol without irritating your ...

Methods: A retrospective analysis of patch-test results since October 2006 was done and yielded 28 patients allergic to PPD who were also tested with a hair dye series. From January 2004 through ...