Permanent hair dye with this ingredient could cause three major health issues

The majority of permanent hair dyes used in the US and Europe contain the aromatic amine p-phenylenediamine (PPD). A growing ...

Hair dye could be triggering health issues due to single ingredient

The vast majority of permanent hair dyes used across the US and Europe feature the aromatic amine p-phenylenediamine (PPD).

Hair dye ingredient known to cause organ failure could be triggering skin issues

The majority of permanent hair dyes used in the US and Europe contain the aromatic amine p-phenylenediamine (PPD). A growing ...