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 ...

There are a number of PPD-free hair dyes now available on the market. These range from temporary and semi-permanent hair coloring products to permanent dyes that contain alternative ingredients ...

Amy Errett, the CEO and founder of Madison Reed, has orchestrated a groundbreaking collaboration with UConn Women's basketball team amplifying women’s empowerment ...

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 ...