Isabelle Lowe had dyed her hair several times in the past and never experienced a reaction, but that all changed when she used an at-home box dye.

Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...

While ancient dyes were made of plant and animal extracts, the evolution of the practice has seen the use of aggressive chemicals that can trigger allergic reactions and cause harm to users. Hair ...

No dye products should be used on under-16s, according to manufacturers and the industry's professional body ... even life-threatening, allergic reactions. Hair dye manufacturers say they are ...

If you are going to have your hair colored by a professional ... commonly found in permanent darker-toned hair dyes, is often the culprit behind allergic reactions that can occur from coloring ...

The vast majority of reactions to hair-dye products are caused by PPD. [4–6] In past years, PPD was used in permanent hair dyes but not in semipermanent dyes. More recently, PPD has been used in ...