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 ...

One question she fielded from Colman Domingo asked her to share her favorite hair colors over the years. "Well, I really like to romanticize two specific periods in my life: the green roots and ...

Anyone who colors their hair knows that it can be a time-consuming, expensive and meticulous process. The last thing you want is to ruin a perfect single-process or fresh highlights by using the ...