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 ...

A s someone who has curly hair, I know that giving my strands extra TLC isn't a once-in-a-while kind of thing—it's a regular ...

Wondering if Henna Cream can work on chemically treated hair? Discover the facts, hidden risks, and smart tips you must know ...

Summer hair colors can be summed up in one word: fun. From the usual suspects, such as sandy blondes and golden hues, to loud color statements with neon and pastels, there's just something about the ...

This technology gives consumers a hands-on experience in achieving their ideal hair color, enhancing overall satisfaction and expanding access to personalized products. In addition, the growth of ...

In this study, we examined whether it is likely that individuals allergic to PPD will be able to tolerate hair-dye products containing PTDS. Starting in January 2008, any patient who had a ...