The best at-home hair color brands for professional results and to cover gray, including permanent and semi-permanent dye for ...

Luckily, my many bleach and dye escapades ... from 13 hair experts, including salon owners and celebrity stylists. Update on December 16, 2024: Updated prices; checked stock for all products.

Thus began my two-month experiment with L’Oréal’s Colorsonic.

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 ...

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 ...