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 ...

These newer products are cosmetically elegant and could potentially provide an excellent alternative for PPD-allergic patients who are not allergic to PTDS. The PPD-free PTDS-based hair dyes were ...

Bleach is a popular ingredient used to lighten hair, but it's not the only option. Here, three celebrity colorists explain ...

Discover a refreshing way to tackle gray hairs without turning to harsh chemical dyes. Here, we're exploring a natural method ...

People often regard it as a traditional natural hair dye and conditioner practice. When applied, it provides a rich reddish-brown hue to the hair. Though it is a historic practice, many potential ...