It's normal for kids to want to experiment with their hair color...but how early is too early to let kids dye their hair? We ...

are safe to use. In the meantime it would be best for you to avoid hair dyes, but if this is going to be really difficult, then test the product on a small area of skin at least two days before ...

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 ...

Hair dyes can be an exciting way to refresh your look, but understanding their risks ensures you make informed beauty choices. Read on., Beauty News - Times Now ...

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 ...