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 ...
This is perhaps why Bleach London’s range of at-home products is so comprehensively thought-out when it comes to formulations. This includes its latest launch, which might just be its smartest to date ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results