I have dyed my hair every color under the sun ... one of my favorites is our best shampoo overall). And while I’ve tested several of these shampoos, there are some hair colors even I haven ...
Chemicals in hair dyes may cause allergies for some people. Around 38% of people who color their hair report having an allergic reaction to hair dye. The most common allergic reaction to hair dye is ...
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 ...