Background: Finding alternative hair dyes for individuals allergic ... PPD and negative to PTDS who subsequently used a PTDS dye free of PPD tolerated these products. Many individuals allergic ...

The Minnesota Department of Health issued a news release Thursday warning against use of henna products that contain additives to create “temporary tattoos.” Materials that are sometimes added to ...

Transformative Technology Meets Modern Haircare Needs with Clairol’s Latest Breakthrough, ColorStrong Clairol Unveils Its ...

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 ...