While they may all deposit color, not all hair dyes deliver long-lasting results. In general, there are four types of hair dye: temporary, semi-permanent, demi-permanent, and permanent.

Depending on each product's formulation, they may also be effective in removing hair dye stains on your skin. Though it may take a few washes, some types of soap with warm water may remove hair ...

Whether you’re looking to camouflage a few strands or are seeking a more permanent approach, No Gray has got you covered.

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 ...

Some may include ingredients found in permanent dyes, so read the label before use. Some studies show a link between some ...

Not surprisingly, any patches on the scalp or in the surrounding skin can be further inflamed by the harsh chemicals in many hair dyes or coloring products. “The barrier function of the skin is ...

For women who work in hair salons, the fumes from hair dyes present a very real risk of developing asthma. Types of hair dyes Permanent hair dyes: They penetrate through the hair shaft ...

In addition, two different kinds of pigments have been combined in the dyes. ‘There is a traditional permanent colour pigment that will penetrate and lock in deeper into the hair to ensure longevity ...