Instead, these are hair dyes uniquely formulated for graying and meant to return you to your previously natural color.

The permanent, ammonia-free dye has hair-strengthening keratin ... you can always go back to black. (Or brown. Or blonde.) To narrow all the best hair dyes out there down to these 14 options ...

Fancy a change of hair colour? These semi-permanent hair dyes are perfect for switching up your look, without the commitment. You can do it at home, you don’t need to worry about re-growth and ...

‘No Bleach London’ is a range of seven box dyes that create permanent colour changes with absolutely no bleach whatsoever, thus minimising the damage to your hair without forgoing vibrancy and ...

The vast majority of reactions to hair-dye products are caused by PPD. [4–6] In past years, PPD was used in permanent hair dyes but not in semipermanent dyes. More recently, PPD has been used in ...

"That is except if you have really dark or black hair. Black hair ... more upkeep than a permanent dye as a result. But seeing as Just for Men also doubles as the best budget option, we found ...

The brand's vegan, easy-to-use formula calls for no mixing and is semi-permanent, so its effects ... One user writes: "The best hair dye I've used. Color is long-lasting and nourishes the hair.