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 ...

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.

The itching and soreness are a sign that your skin is allergic to something in the ... In the meantime it would be best for you to avoid hair dyes, but if this is going to be really difficult ...

“This makes it easier for the chemicals to cause an irritation or an allergic reaction ... There are a number of PPD-free hair dyes now available on the market. These range from temporary ...

Hair dyes contain chemicals that in rare cases can cause severe, even life-threatening, allergic reactions. Hair dye manufacturers say they are not intended for anyone under the age of 16.

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 ...

Compounds like para-phenylenediamine (PPD) and other aromatic amines have been known to trigger allergic ... hair dyes ...

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 ...